25344501605 has 16 divisors (see below), whose sum is σ = 31193869824. Its totient is φ = 19758994560.

The previous prime is 25344501593. The next prime is 25344501631. The reversal of 25344501605 is 50610544352.

It is not a de Polignac number, because 25344501605 - 2¹² = 25344497509 is a prime.

It is a Duffinian 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, 176681 + ... + 286190.

It is an arithmetic number, because the mean of its divisors is an integer number (1949616864).

Almost surely, 2^25344501605 is an apocalyptic number.

It is an amenable number.

25344501605 is a deficient number, since it is larger than the sum of its proper divisors (5849368219).

25344501605 is a wasteful number, since it uses less digits than its factorization.

25344501605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463156.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 25344501605 in words is "twenty-five billion, three hundred forty-four million, five hundred one thousand, six hundred five".