25358068321 has 24 divisors (see below), whose sum is σ = 26538324800. Its totient is φ = 24228300096.

The previous prime is 25358068313. The next prime is 25358068331. The reversal of 25358068321 is 12386085352.

It is not a de Polignac number, because 25358068321 - 2³ = 25358068313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25358068331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46358170 + ... + 46358716.

Almost surely, 2^25358068321 is an apocalyptic number.

It is an amenable number.

25358068321 is a deficient number, since it is larger than the sum of its proper divisors (1180256479).

25358068321 is a wasteful number, since it uses less digits than its factorization.

25358068321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 25358068321 in words is "twenty-five billion, three hundred fifty-eight million, sixty-eight thousand, three hundred twenty-one".