5265643690 has 32 divisors (see below), whose sum is σ = 10120277376. Its totient is φ = 1967824320.

The previous prime is 5265643619. The next prime is 5265643703. The reversal of 5265643690 is 963465625.

It is a super-2 number, since 2×5265643690² = 55454006940073632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 5265643690.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256321 + ... + 276100.

It is an arithmetic number, because the mean of its divisors is an integer number (316258668).

Almost surely, 2^5265643690 is an apocalyptic number.

5265643690 is a deficient number, since it is larger than the sum of its proper divisors (4854633686).

5265643690 is a wasteful number, since it uses less digits than its factorization.

5265643690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532494.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The square root of 5265643690 is about 72564.7551501416. The cubic root of 5265643690 is about 1739.7378926545.

The spelling of 5265643690 in words is "five billion, two hundred sixty-five million, six hundred forty-three thousand, six hundred ninety".