790102202101991 has 2 divisors, whose sum is σ = 790102202101992. Its totient is φ = 790102202101990.

The previous prime is 790102202101981. The next prime is 790102202102041. The reversal of 790102202101991 is 199101202201097.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-790102202101991 is a prime.

It is a super-2 number, since 2×790102202101991² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790102202101981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395051101050995 + 395051101050996.

It is an arithmetic number, because the mean of its divisors is an integer number (395051101050996).

Almost surely, 2^{790102202101991} is an apocalyptic number.

790102202101991 is a deficient number, since it is larger than the sum of its proper divisors (1).

790102202101991 is an equidigital number, since it uses as much as digits as its factorization.

790102202101991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 44.

The spelling of 790102202101991 in words is "seven hundred ninety trillion, one hundred two billion, two hundred two million, one hundred one thousand, nine hundred ninety-one".