790073920639 has 2 divisors, whose sum is σ = 790073920640. Its totient is φ = 790073920638.

The previous prime is 790073920609. The next prime is 790073920673. The reversal of 790073920639 is 936029370097.

It is a weak prime.

It is an emirp because it is prime and its reverse (936029370097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 790073920639 - 2¹¹ = 790073918591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 790073920639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (790073920609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395036960319 + 395036960320.

It is an arithmetic number, because the mean of its divisors is an integer number (395036960320).

Almost surely, 2^790073920639 is an apocalyptic number.

790073920639 is a deficient number, since it is larger than the sum of its proper divisors (1).

790073920639 is an equidigital number, since it uses as much as digits as its factorization.

790073920639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3857868, while the sum is 55.

The spelling of 790073920639 in words is "seven hundred ninety billion, seventy-three million, nine hundred twenty thousand, six hundred thirty-nine".