8313081602791 has 4 divisors (see below), whose sum is σ = 9500664688912. Its totient is φ = 7125498516672.

The previous prime is 8313081602783. The next prime is 8313081602807. The reversal of 8313081602791 is 1972061803138.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8313081602791 - 2³ = 8313081602783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8313081612791) 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 in 3 ways as a sum of consecutive naturals, for example, 593791543050 + ... + 593791543063.

It is an arithmetic number, because the mean of its divisors is an integer number (2375166172228).

Almost surely, 2^{8313081602791} is an apocalyptic number.

8313081602791 is a deficient number, since it is larger than the sum of its proper divisors (1187583086121).

8313081602791 is a wasteful number, since it uses less digits than its factorization.

8313081602791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187583086120.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 8313081602791 in words is "eight trillion, three hundred thirteen billion, eighty-one million, six hundred two thousand, seven hundred ninety-one".