694943313 has 16 divisors (see below), whose sum is σ = 940912896. Its totient is φ = 456172560.

The previous prime is 694943303. The next prime is 694943351. The reversal of 694943313 is 313349496.

It is not a de Polignac number, because 694943313 - 2⁸ = 694943057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (694943303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71898 + ... + 80988.

It is an arithmetic number, because the mean of its divisors is an integer number (58807056).

Almost surely, 2^694943313 is an apocalyptic number.

It is an amenable number.

694943313 is a deficient number, since it is larger than the sum of its proper divisors (245969583).

694943313 is a wasteful number, since it uses less digits than its factorization.

694943313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484.

The product of its digits is 209952, while the sum is 42.

The square root of 694943313 is about 26361.7775007680. Note that the first 3 decimals coincide. The cubic root of 694943313 is about 885.7608076736.

The spelling of 694943313 in words is "six hundred ninety-four million, nine hundred forty-three thousand, three hundred thirteen".