694023713 has 2 divisors, whose sum is σ = 694023714. Its totient is φ = 694023712.

The previous prime is 694023709. The next prime is 694023731. The reversal of 694023713 is 317320496.

Together with next prime (694023731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687907984 + 6115729 = 26228^2 + 2473^2 .

It is a cyclic number.

It is not a de Polignac number, because 694023713 - 2² = 694023709 is a prime.

It is not a weakly prime, because it can be changed into another prime (694023703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347011856 + 347011857.

It is an arithmetic number, because the mean of its divisors is an integer number (347011857).

Almost surely, 2^694023713 is an apocalyptic number.

It is an amenable number.

694023713 is a deficient number, since it is larger than the sum of its proper divisors (1).

694023713 is an equidigital number, since it uses as much as digits as its factorization.

694023713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 694023713 is about 26344.3298073798. The cubic root of 694023713 is about 885.3699339737.

The spelling of 694023713 in words is "six hundred ninety-four million, twenty-three thousand, seven hundred thirteen".