718851113 has 2 divisors, whose sum is σ = 718851114. Its totient is φ = 718851112.

The previous prime is 718851097. The next prime is 718851127. The reversal of 718851113 is 311158817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585494809 + 133356304 = 24197^2 + 11548^2 .

It is an emirp because it is prime and its reverse (311158817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 718851113 - 2⁴ = 718851097 is a prime.

It is a super-2 number, since 2×718851113² = 1033493845322677538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (718851143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359425556 + 359425557.

It is an arithmetic number, because the mean of its divisors is an integer number (359425557).

Almost surely, 2^718851113 is an apocalyptic number.

It is an amenable number.

718851113 is a deficient number, since it is larger than the sum of its proper divisors (1).

718851113 is an equidigital number, since it uses as much as digits as its factorization.

718851113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 35.

The square root of 718851113 is about 26811.3989377653. The cubic root of 718851113 is about 895.8039707374.

The spelling of 718851113 in words is "seven hundred eighteen million, eight hundred fifty-one thousand, one hundred thirteen".