7157614864793 has 4 divisors (see below), whose sum is σ = 7158265982388. Its totient is φ = 7156963747200.

The previous prime is 7157614864747. The next prime is 7157614864811. The reversal of 7157614864793 is 3974684167517.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2719059187849 + 4438555676944 = 1648957^2 + 2106788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7157614864793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7157614864703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325542308 + ... + 325564293.

It is an arithmetic number, because the mean of its divisors is an integer number (1789566495597).

Almost surely, 2^{7157614864793} is an apocalyptic number.

It is an amenable number.

7157614864793 is a deficient number, since it is larger than the sum of its proper divisors (651117595).

7157614864793 is a wasteful number, since it uses less digits than its factorization.

7157614864793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651117594.

The product of its digits is 213373440, while the sum is 68.

The spelling of 7157614864793 in words is "seven trillion, one hundred fifty-seven billion, six hundred fourteen million, eight hundred sixty-four thousand, seven hundred ninety-three".