25738698264 has 16 divisors (see below), whose sum is σ = 64346745720. Its totient is φ = 8579566080.

The previous prime is 25738698263. The next prime is 25738698287. The reversal of 25738698264 is 46289683752.

It is a super-2 number, since 2×25738698264² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25738698198 and 25738698207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25738698263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536222857 + ... + 536222904.

Almost surely, 2^25738698264 is an apocalyptic number.

25738698264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25738698264 is an abundant number, since it is smaller than the sum of its proper divisors (38608047456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25738698264 is a wasteful number, since it uses less digits than its factorization.

25738698264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072445770 (or 1072445766 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 25738698264 in words is "twenty-five billion, seven hundred thirty-eight million, six hundred ninety-eight thousand, two hundred sixty-four".