620502016342565 has 32 divisors (see below), whose sum is σ = 898624170021120. Its totient is φ = 401805201867264.

The previous prime is 620502016342519. The next prime is 620502016342627. The reversal of 620502016342565 is 565243610205026.

It is a cyclic number.

It is not a de Polignac number, because 620502016342565 - 2³² = 620497721375269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1490344154 + ... + 1490760443.

It is an arithmetic number, because the mean of its divisors is an integer number (28082005313160).

Almost surely, 2^{620502016342565} is an apocalyptic number.

It is an amenable number.

620502016342565 is a deficient number, since it is larger than the sum of its proper divisors (278122153678555).

620502016342565 is a wasteful number, since it uses less digits than its factorization.

620502016342565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981104941.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 620502016342565 in words is "six hundred twenty trillion, five hundred two billion, sixteen million, three hundred forty-two thousand, five hundred sixty-five".