62320560721 has 2 divisors, whose sum is σ = 62320560722. Its totient is φ = 62320560720.

The previous prime is 62320560697. The next prime is 62320560749. The reversal of 62320560721 is 12706502326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58963980625 + 3356580096 = 242825^2 + 57936^2 .

It is a cyclic number.

It is not a de Polignac number, because 62320560721 - 2⁵ = 62320560689 is a prime.

It is not a weakly prime, because it can be changed into another prime (62320560751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31160280360 + 31160280361.

It is an arithmetic number, because the mean of its divisors is an integer number (31160280361).

Almost surely, 2^62320560721 is an apocalyptic number.

It is an amenable number.

62320560721 is a deficient number, since it is larger than the sum of its proper divisors (1).

62320560721 is an equidigital number, since it uses as much as digits as its factorization.

62320560721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 62320560721 in words is "sixty-two billion, three hundred twenty million, five hundred sixty thousand, seven hundred twenty-one".