791840356063 has 2 divisors, whose sum is σ = 791840356064. Its totient is φ = 791840356062.

The previous prime is 791840356049. The next prime is 791840356169. The reversal of 791840356063 is 360653048197.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 791840356063 - 2¹⁷ = 791840224991 is a prime.

It is a super-2 number, since 2×791840356063² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 791840356063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791840356033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395920178031 + 395920178032.

It is an arithmetic number, because the mean of its divisors is an integer number (395920178032).

Almost surely, 2^791840356063 is an apocalyptic number.

791840356063 is a deficient number, since it is larger than the sum of its proper divisors (1).

791840356063 is an equidigital number, since it uses as much as digits as its factorization.

791840356063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 791840356063 in words is "seven hundred ninety-one billion, eight hundred forty million, three hundred fifty-six thousand, sixty-three".