25031642363 has 12 divisors (see below), whose sum is σ = 30977452368. Its totient is φ = 19805254560.

The previous prime is 25031642357. The next prime is 25031642369. The reversal of 25031642363 is 36324613052.

It is an interprime number because it is at equal distance from previous prime (25031642357) and next prime (25031642369).

It is not a de Polignac number, because 25031642363 - 2⁴ = 25031642347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25031642369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10578548 + ... + 10580913.

It is an arithmetic number, because the mean of its divisors is an integer number (2581454364).

Almost surely, 2^25031642363 is an apocalyptic number.

25031642363 is a deficient number, since it is larger than the sum of its proper divisors (5945810005).

25031642363 is a wasteful number, since it uses less digits than its factorization.

25031642363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21159494 (or 21159481 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 25031642363 in words is "twenty-five billion, thirty-one million, six hundred forty-two thousand, three hundred sixty-three".