8621950793 has 2 divisors, whose sum is σ = 8621950794. Its totient is φ = 8621950792.

The previous prime is 8621950759. The next prime is 8621950837. The reversal of 8621950793 is 3970591268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5527476409 + 3094474384 = 74347^2 + 55628^2 .

It is a cyclic number.

It is not a de Polignac number, because 8621950793 - 2²⁶ = 8554841929 is a prime.

It is not a weakly prime, because it can be changed into another prime (8621950193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4310975396 + 4310975397.

It is an arithmetic number, because the mean of its divisors is an integer number (4310975397).

Almost surely, 2^8621950793 is an apocalyptic number.

It is an amenable number.

8621950793 is a deficient number, since it is larger than the sum of its proper divisors (1).

8621950793 is an equidigital number, since it uses as much as digits as its factorization.

8621950793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 8621950793 is about 92854.4602752070. The cubic root of 8621950793 is about 2050.5412644135.

The spelling of 8621950793 in words is "eight billion, six hundred twenty-one million, nine hundred fifty thousand, seven hundred ninety-three".