25934009564 has 6 divisors (see below), whose sum is σ = 45384516744. Its totient is φ = 12967004780.

The previous prime is 25934009557. The next prime is 25934009581. The reversal of 25934009564 is 46590043952.

It is a happy number.

It is a super-3 number, since 3×25934009564³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3241751192 + ... + 3241751199.

It is an arithmetic number, because the mean of its divisors is an integer number (7564086124).

Almost surely, 2^25934009564 is an apocalyptic number.

It is an amenable number.

25934009564 is a deficient number, since it is larger than the sum of its proper divisors (19450507180).

25934009564 is a wasteful number, since it uses less digits than its factorization.

25934009564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483502395 (or 6483502393 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 25934009564 in words is "twenty-five billion, nine hundred thirty-four million, nine thousand, five hundred sixty-four".