25942528953 has 24 divisors (see below), whose sum is σ = 40926970656. Its totient is φ = 15704347200.

The previous prime is 25942528879. The next prime is 25942529003. The reversal of 25942528953 is 35982524952.

It is a happy number.

25942528953 is a `hidden beast` number, since 2 + 594 + 25 + 28 + 9 + 5 + 3 = 666.

It is not a de Polignac number, because 25942528953 - 2⁸ = 25942528697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25942528953.

It is not an unprimeable number, because it can be changed into a prime (25942528553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68043 + ... + 237728.

It is an arithmetic number, because the mean of its divisors is an integer number (1705290444).

Almost surely, 2^25942528953 is an apocalyptic number.

It is an amenable number.

25942528953 is a deficient number, since it is larger than the sum of its proper divisors (14984441703).

25942528953 is a wasteful number, since it uses less digits than its factorization.

25942528953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306645 (or 306642 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 25942528953 in words is "twenty-five billion, nine hundred forty-two million, five hundred twenty-eight thousand, nine hundred fifty-three".