25795548459 has 12 divisors (see below), whose sum is σ = 38545072800. Its totient is φ = 16604031024.

The previous prime is 25795548439. The next prime is 25795548463. The reversal of 25795548459 is 95484559752.

25795548459 is a `hidden beast` number, since 2 + 5 + 79 + 554 + 8 + 4 + 5 + 9 = 666.

It is not a de Polignac number, because 25795548459 - 2¹² = 25795544363 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25795548396 and 25795548405.

It is not an unprimeable number, because it can be changed into a prime (25795548419) 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, 49416499 + ... + 49417020.

It is an arithmetic number, because the mean of its divisors is an integer number (3212089400).

Almost surely, 2^25795548459 is an apocalyptic number.

25795548459 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

25795548459 is a deficient number, since it is larger than the sum of its proper divisors (12749524341).

25795548459 is a wasteful number, since it uses less digits than its factorization.

25795548459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98833554 (or 98833551 counting only the distinct ones).

The product of its digits is 90720000, while the sum is 63.

The spelling of 25795548459 in words is "twenty-five billion, seven hundred ninety-five million, five hundred forty-eight thousand, four hundred fifty-nine".