25793259536 has 40 divisors (see below), whose sum is σ = 54622405728. Its totient is φ = 11701664000.

The previous prime is 25793259533. The next prime is 25793259577. The reversal of 25793259536 is 63595239752.

It is not an unprimeable number, because it can be changed into a prime (25793259533) 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, 48950 + ... + 232341.

Almost surely, 2^25793259536 is an apocalyptic number.

It is an amenable number.

25793259536 is an abundant number, since it is smaller than the sum of its proper divisors (28829146192).

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

25793259536 is a wasteful number, since it uses less digits than its factorization.

25793259536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281831 (or 281825 counting only the distinct ones).

The product of its digits is 15309000, while the sum is 56.

The spelling of 25793259536 in words is "twenty-five billion, seven hundred ninety-three million, two hundred fifty-nine thousand, five hundred thirty-six".