790543495891 has 2 divisors, whose sum is σ = 790543495892. Its totient is φ = 790543495890.

The previous prime is 790543495871. The next prime is 790543495919. The reversal of 790543495891 is 198594345097.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 790543495891 - 2²¹ = 790541398739 is a prime.

It is not a weakly prime, because it can be changed into another prime (790543495801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395271747945 + 395271747946.

It is an arithmetic number, because the mean of its divisors is an integer number (395271747946).

Almost surely, 2^790543495891 is an apocalyptic number.

790543495891 is a deficient number, since it is larger than the sum of its proper divisors (1).

790543495891 is an equidigital number, since it uses as much as digits as its factorization.

790543495891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 790543495891 in words is "seven hundred ninety billion, five hundred forty-three million, four hundred ninety-five thousand, eight hundred ninety-one".