694096631 has 4 divisors (see below), whose sum is σ = 700464600. Its totient is φ = 687728664.

The previous prime is 694096597. The next prime is 694096661. The reversal of 694096631 is 136690496.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 694096631 - 2⁶ = 694096567 is a prime.

It is a super-2 number, since 2×694096631² = 963540266331100322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694096661) 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, 3183821 + ... + 3184038.

It is an arithmetic number, because the mean of its divisors is an integer number (175116150).

Almost surely, 2^694096631 is an apocalyptic number.

694096631 is a deficient number, since it is larger than the sum of its proper divisors (6367969).

694096631 is a wasteful number, since it uses less digits than its factorization.

694096631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6367968.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 694096631 is about 26345.7137121013. The cubic root of 694096631 is about 885.4009401880.

The spelling of 694096631 in words is "six hundred ninety-four million, ninety-six thousand, six hundred thirty-one".