25379038863 has 48 divisors (see below), whose sum is σ = 40141550592. Its totient is φ = 15381792000.

The previous prime is 25379038849. The next prime is 25379038877. The reversal of 25379038863 is 36883097352.

25379038863 is a `hidden beast` number, since 253 + 7 + 9 + 0 + 388 + 6 + 3 = 666.

It is a Cunningham number, because it is equal to 159308²-1.

It is an interprime number because it is at equal distance from previous prime (25379038849) and next prime (25379038877).

It is not a de Polignac number, because 25379038863 - 2¹⁰ = 25379037839 is a prime.

It is a super-2 number, since 2×25379038863² (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 (25379038823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2703568 + ... + 2712938.

It is an arithmetic number, because the mean of its divisors is an integer number (836282304).

Almost surely, 2^25379038863 is an apocalyptic number.

25379038863 is a deficient number, since it is larger than the sum of its proper divisors (14762511729).

25379038863 is a wasteful number, since it uses less digits than its factorization.

25379038863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996 (or 9993 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 25379038863 in words is "twenty-five billion, three hundred seventy-nine million, thirty-eight thousand, eight hundred sixty-three".