25344893097 has 12 divisors (see below), whose sum is σ = 36612993924. Its totient is φ = 16894885920.

The previous prime is 25344893083. The next prime is 25344893137. The reversal of 25344893097 is 79039844352.

25344893097 is a `hidden beast` number, since 25 + 3 + 448 + 93 + 0 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8566613136 + 16778279961 = 92556^2 + 129531^2 .

It is not a de Polignac number, because 25344893097 - 2³⁰ = 24271151273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25344893017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45054 + ... + 229607.

It is an arithmetic number, because the mean of its divisors is an integer number (3051082827).

Almost surely, 2^25344893097 is an apocalyptic number.

It is an amenable number.

25344893097 is a deficient number, since it is larger than the sum of its proper divisors (11268100827).

25344893097 is a wasteful number, since it uses less digits than its factorization.

25344893097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284920 (or 284917 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 25344893097 in words is "twenty-five billion, three hundred forty-four million, eight hundred ninety-three thousand, ninety-seven".