24945414253 has 4 divisors (see below), whose sum is σ = 26412791580. Its totient is φ = 23478036928.

The previous prime is 24945414209. The next prime is 24945414283. The reversal of 24945414253 is 35241454942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19977560964 + 4967853289 = 141342^2 + 70483^2 .

It is a cyclic number.

It is not a de Polignac number, because 24945414253 - 2⁹ = 24945413741 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 (24945414283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733688638 + ... + 733688671.

It is an arithmetic number, because the mean of its divisors is an integer number (6603197895).

Almost surely, 2^24945414253 is an apocalyptic number.

It is an amenable number.

24945414253 is a deficient number, since it is larger than the sum of its proper divisors (1467377327).

24945414253 is a wasteful number, since it uses less digits than its factorization.

24945414253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467377326.

The product of its digits is 691200, while the sum is 43.

The spelling of 24945414253 in words is "twenty-four billion, nine hundred forty-five million, four hundred fourteen thousand, two hundred fifty-three".