24963051961 has 4 divisors (see below), whose sum is σ = 24963387124. Its totient is φ = 24962716800.

The previous prime is 24963051943. The next prime is 24963052003. The reversal of 24963051961 is 16915036942.

24963051961 is a nontrivial binomial coefficient, being equal to C(223442, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16915036942 = 2 ⋅8457518471.

It can be written as a sum of positive squares in 2 ways, for example, as 13489428736 + 11473623225 = 116144^2 + 107115^2 .

It is a 3-Lehmer number, since φ(24963051961) divides (24963051961-1)³.

It is a cyclic number.

It is not a de Polignac number, because 24963051961 - 2⁵ = 24963051929 is a prime.

It is a deceptive number, since it divides R_24963051960.

It is not an unprimeable number, because it can be changed into a prime (24963051931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 223441.

It is an arithmetic number, because the mean of its divisors is an integer number (6240846781).

It is a Poulet number, since it divides 2^24963051960-1.

Almost surely, 2^24963051961 is an apocalyptic number.

24963051961 is the 223441-st triangular number and also the 111721-st hexagonal number.

24963051961 is the 74481-st centered nonagonal number.

It is an amenable number.

24963051961 is a deficient number, since it is larger than the sum of its proper divisors (335163).

24963051961 is a wasteful number, since it uses less digits than its factorization.

24963051961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335162.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 24963051961 in words is "twenty-four billion, nine hundred sixty-three million, fifty-one thousand, nine hundred sixty-one".