25339894101 has 24 divisors (see below), whose sum is σ = 37892949120. Its totient is φ = 16307320896.

The previous prime is 25339894093. The next prime is 25339894123. The reversal of 25339894101 is 10149893352.

It is a happy number.

25339894101 is a `hidden beast` number, since 2 + 533 + 9 + 8 + 9 + 4 + 101 = 666.

It is not a de Polignac number, because 25339894101 - 2³ = 25339894093 is a prime.

It is a super-2 number, since 2×25339894101² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25339894201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379431 + ... + 441188.

It is an arithmetic number, because the mean of its divisors is an integer number (1578872880).

Almost surely, 2^25339894101 is an apocalyptic number.

It is an amenable number.

25339894101 is a deficient number, since it is larger than the sum of its proper divisors (12553055019).

25339894101 is a wasteful number, since it uses less digits than its factorization.

25339894101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820745 (or 820742 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 25339894101 in words is "twenty-five billion, three hundred thirty-nine million, eight hundred ninety-four thousand, one hundred one".