25275465693 has 96 divisors (see below), whose sum is σ = 41399043840. Its totient is φ = 15202598400.

The previous prime is 25275465623. The next prime is 25275465731. The reversal of 25275465693 is 39656457252.

It is a happy number.

25275465693 is a `hidden beast` number, since 2 + 5 + 2 + 7 + 546 + 5 + 6 + 93 = 666.

It is not a de Polignac number, because 25275465693 - 2¹² = 25275461597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275465623) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24467505 + ... + 24468537.

It is an arithmetic number, because the mean of its divisors is an integer number (431240040).

Almost surely, 2^25275465693 is an apocalyptic number.

25275465693 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25275465693 is a deficient number, since it is larger than the sum of its proper divisors (16123578147).

25275465693 is a wasteful number, since it uses less digits than its factorization.

25275465693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1131 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 54.

The spelling of 25275465693 in words is "twenty-five billion, two hundred seventy-five million, four hundred sixty-five thousand, six hundred ninety-three".