25012529993 has 32 divisors (see below), whose sum is σ = 28970749440. Its totient is φ = 21356559360.

The previous prime is 25012529959. The next prime is 25012530019. The reversal of 25012529993 is 39992521052.

It is not a de Polignac number, because 25012529993 - 2³⁰ = 23938788169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25012529903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13996046 + ... + 13997832.

It is an arithmetic number, because the mean of its divisors is an integer number (905335920).

Almost surely, 2^25012529993 is an apocalyptic number.

It is an amenable number.

25012529993 is a deficient number, since it is larger than the sum of its proper divisors (3958219447).

25012529993 is a wasteful number, since it uses less digits than its factorization.

25012529993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357.

The product of its (nonzero) digits is 437400, while the sum is 47.

The spelling of 25012529993 in words is "twenty-five billion, twelve million, five hundred twenty-nine thousand, nine hundred ninety-three".