620323312732513 has 16 divisors (see below), whose sum is σ = 668949051980160. Its totient is φ = 571827543221376.

The previous prime is 620323312732493. The next prime is 620323312732531. The reversal of 620323312732513 is 315237213323026.

It is not a de Polignac number, because 620323312732513 - 2¹³ = 620323312724321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620323312732513.

It is not an unprimeable number, because it can be changed into a prime (620323312739513) 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, 81404206 + ... + 88697752.

It is an arithmetic number, because the mean of its divisors is an integer number (41809315748760).

Almost surely, 2^{620323312732513} is an apocalyptic number.

It is an amenable number.

620323312732513 is a deficient number, since it is larger than the sum of its proper divisors (48625739247647).

620323312732513 is a wasteful number, since it uses less digits than its factorization.

620323312732513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302456.

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 620323312732513 in words is "six hundred twenty trillion, three hundred twenty-three billion, three hundred twelve million, seven hundred thirty-two thousand, five hundred thirteen".