7853688322491 has 16 divisors (see below), whose sum is σ = 11423721087360. Its totient is φ = 4759738422720.

The previous prime is 7853688322439. The next prime is 7853688322499. The reversal of 7853688322491 is 1942238863587.

It is not a de Polignac number, because 7853688322491 - 2²² = 7853684128187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7853688322499) 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 15 ways as a sum of consecutive naturals, for example, 417840 + ... + 3985218.

It is an arithmetic number, because the mean of its divisors is an integer number (713982567960).

Almost surely, 2^{7853688322491} is an apocalyptic number.

7853688322491 is a deficient number, since it is larger than the sum of its proper divisors (3570032764869).

7853688322491 is a wasteful number, since it uses less digits than its factorization.

7853688322491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634106.

The product of its digits is 139345920, while the sum is 66.

The spelling of 7853688322491 in words is "seven trillion, eight hundred fifty-three billion, six hundred eighty-eight million, three hundred twenty-two thousand, four hundred ninety-one".