699042313 has 4 divisors (see below), whose sum is σ = 701762580. Its totient is φ = 696322048.

The previous prime is 699042283. The next prime is 699042347. The reversal of 699042313 is 313240996.

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 565107984 + 133934329 = 23772^2 + 11573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699042313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (699042373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359748 + ... + 1360261.

It is an arithmetic number, because the mean of its divisors is an integer number (175440645).

Almost surely, 2^699042313 is an apocalyptic number.

It is an amenable number.

699042313 is a deficient number, since it is larger than the sum of its proper divisors (2720267).

699042313 is a wasteful number, since it uses less digits than its factorization.

699042313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720266.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 699042313 is about 26439.4083330168. The cubic root of 699042313 is about 887.4988959320.

The spelling of 699042313 in words is "six hundred ninety-nine million, forty-two thousand, three hundred thirteen".