25039938794 has 16 divisors (see below), whose sum is σ = 41389811232. Its totient is φ = 11288129328.

The previous prime is 25039938787. The next prime is 25039938797. The reversal of 25039938794 is 49783993052.

It is not an unprimeable number, because it can be changed into a prime (25039938797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11197424 + ... + 11199659.

It is an arithmetic number, because the mean of its divisors is an integer number (2586863202).

Almost surely, 2^25039938794 is an apocalyptic number.

25039938794 is a deficient number, since it is larger than the sum of its proper divisors (16349872438).

25039938794 is a wasteful number, since it uses less digits than its factorization.

25039938794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22397141.

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 25039938794 in words is "twenty-five billion, thirty-nine million, nine hundred thirty-eight thousand, seven hundred ninety-four".