6721970264 has 64 divisors (see below), whose sum is σ = 13123360800. Its totient is φ = 3225222144.

The previous prime is 6721970263. The next prime is 6721970279. The reversal of 6721970264 is 4620791276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6721970263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11813372 + ... + 11813940.

Almost surely, 2^6721970264 is an apocalyptic number.

It is an amenable number.

6721970264 is a deficient number, since it is larger than the sum of its proper divisors (6401390536).

6721970264 is a wasteful number, since it uses less digits than its factorization.

6721970264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 6721970264 is about 81987.6226268331. The cubic root of 6721970264 is about 1887.2620007444.

The spelling of 6721970264 in words is "six billion, seven hundred twenty-one million, nine hundred seventy thousand, two hundred sixty-four".