6620730793 has 2 divisors, whose sum is σ = 6620730794. Its totient is φ = 6620730792.

The previous prime is 6620730731. The next prime is 6620730821. The reversal of 6620730793 is 3970370266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6614243584 + 6487209 = 81328^2 + 2547^2 .

It is a cyclic number.

It is not a de Polignac number, because 6620730793 - 2¹⁷ = 6620599721 is a prime.

It is not a weakly prime, because it can be changed into another prime (6620730713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3310365396 + 3310365397.

It is an arithmetic number, because the mean of its divisors is an integer number (3310365397).

Almost surely, 2^6620730793 is an apocalyptic number.

It is an amenable number.

6620730793 is a deficient number, since it is larger than the sum of its proper divisors (1).

6620730793 is an equidigital number, since it uses as much as digits as its factorization.

6620730793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 43.

The square root of 6620730793 is about 81367.8732240188. The cubic root of 6620730793 is about 1877.7393599451.

The spelling of 6620730793 in words is "six billion, six hundred twenty million, seven hundred thirty thousand, seven hundred ninety-three".