2561202463 has 8 divisors (see below), whose sum is σ = 2610720000. Its totient is φ = 2512129368.

The previous prime is 2561202437. The next prime is 2561202487. The reversal of 2561202463 is 3642021652.

2561202463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2561202463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2561202563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99463 + ... + 122536.

It is an arithmetic number, because the mean of its divisors is an integer number (326340000).

Almost surely, 2^2561202463 is an apocalyptic number.

2561202463 is a deficient number, since it is larger than the sum of its proper divisors (49517537).

2561202463 is a wasteful number, since it uses less digits than its factorization.

2561202463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222221.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2561202463 is about 50608.3240485199. The cubic root of 2561202463 is about 1368.1949095239.

The spelling of 2561202463 in words is "two billion, five hundred sixty-one million, two hundred two thousand, four hundred sixty-three".