25438165433094 has 16 divisors (see below), whose sum is σ = 50876384091120. Its totient is φ = 8479379606880.

The previous prime is 25438165433071. The next prime is 25438165433119. The reversal of 25438165433094 is 49033456183452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6843172 + ... + 9884600.

It is an arithmetic number, because the mean of its divisors is an integer number (3179774005695).

Almost surely, 2^{25438165433094} is an apocalyptic number.

25438165433094 is an abundant number, since it is smaller than the sum of its proper divisors (25438218658026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25438165433094 is a wasteful number, since it uses less digits than its factorization.

25438165433094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435415.

The product of its (nonzero) digits is 37324800, while the sum is 57.

The spelling of 25438165433094 in words is "twenty-five trillion, four hundred thirty-eight billion, one hundred sixty-five million, four hundred thirty-three thousand, ninety-four".