364651242620021 has 16 divisors (see below), whose sum is σ = 416820709565568. Its totient is φ = 312500889096000.

The previous prime is 364651242620011. The next prime is 364651242620033. The reversal of 364651242620021 is 120026242156463.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 364651242620021 - 2¹⁰ = 364651242618997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364651242620011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860665451 + ... + 861089031.

It is an arithmetic number, because the mean of its divisors is an integer number (26051294347848).

Almost surely, 2^{364651242620021} is an apocalyptic number.

It is an amenable number.

364651242620021 is a deficient number, since it is larger than the sum of its proper divisors (52169466945547).

364651242620021 is a wasteful number, since it uses less digits than its factorization.

364651242620021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445852.

The product of its (nonzero) digits is 829440, while the sum is 44.

Adding to 364651242620021 its reverse (120026242156463), we get a palindrome (484677484776484).

The spelling of 364651242620021 in words is "three hundred sixty-four trillion, six hundred fifty-one billion, two hundred forty-two million, six hundred twenty thousand, twenty-one".