25340955365 has 16 divisors (see below), whose sum is σ = 33176779200. Its totient is φ = 18428027520.

The previous prime is 25340955359. The next prime is 25340955427. The reversal of 25340955365 is 56355904352.

It is not a de Polignac number, because 25340955365 - 2⁸ = 25340955109 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935786 + ... + 962484.

It is an arithmetic number, because the mean of its divisors is an integer number (2073548700).

Almost surely, 2^25340955365 is an apocalyptic number.

It is an amenable number.

25340955365 is a deficient number, since it is larger than the sum of its proper divisors (7835823835).

25340955365 is a wasteful number, since it uses less digits than its factorization.

25340955365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43972.

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 25340955365 in words is "twenty-five billion, three hundred forty million, nine hundred fifty-five thousand, three hundred sixty-five".