856296708193 has 2 divisors, whose sum is σ = 856296708194. Its totient is φ = 856296708192.

The previous prime is 856296708109. The next prime is 856296708263. The reversal of 856296708193 is 391807692658.

856296708193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705983091984 + 150313616209 = 840228^2 + 387703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-856296708193 is a prime.

It is not a weakly prime, because it can be changed into another prime (856296703193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428148354096 + 428148354097.

It is an arithmetic number, because the mean of its divisors is an integer number (428148354097).

Almost surely, 2^856296708193 is an apocalyptic number.

It is an amenable number.

856296708193 is a deficient number, since it is larger than the sum of its proper divisors (1).

856296708193 is an equidigital number, since it uses as much as digits as its factorization.

856296708193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 856296708193 in words is "eight hundred fifty-six billion, two hundred ninety-six million, seven hundred eight thousand, one hundred ninety-three".