6364652021 has 8 divisors (see below), whose sum is σ = 7833417984. Its totient is φ = 5035768560.

The previous prime is 6364651973. The next prime is 6364652059. The reversal of 6364652021 is 1202564636.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6364652021 - 2³⁰ = 5290910197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6364652821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34970525 + ... + 34970706.

It is an arithmetic number, because the mean of its divisors is an integer number (979177248).

Almost surely, 2^6364652021 is an apocalyptic number.

It is an amenable number.

6364652021 is a deficient number, since it is larger than the sum of its proper divisors (1468765963).

6364652021 is a wasteful number, since it uses less digits than its factorization.

6364652021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69941251.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 6364652021 is about 79778.7692371849. The cubic root of 6364652021 is about 1853.2110797814.

The spelling of 6364652021 in words is "six billion, three hundred sixty-four million, six hundred fifty-two thousand, twenty-one".