5265197644 has 12 divisors (see below), whose sum is σ = 10530395344. Its totient is φ = 2256513264.

The previous prime is 5265197627. The next prime is 5265197671. The reversal of 5265197644 is 4467915625.

5265197644 is an admirable number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94021359 + ... + 94021414.

Almost surely, 2^5265197644 is an apocalyptic number.

It is an amenable number.

5265197644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5265197644 is a wasteful number, since it uses less digits than its factorization.

5265197644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188042784 (or 188042782 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 5265197644 is about 72561.6816508548. The cubic root of 5265197644 is about 1739.6887676038.

The spelling of 5265197644 in words is "five billion, two hundred sixty-five million, one hundred ninety-seven thousand, six hundred forty-four".