691363196 has 12 divisors (see below), whose sum is σ = 1217309352. Its totient is φ = 343560528.

The previous prime is 691363181. The next prime is 691363223.

691363196 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529535 + ... + 530838.

It is an arithmetic number, because the mean of its divisors is an integer number (101442446).

Almost surely, 2^691363196 is an apocalyptic number.

It is an amenable number.

691363196 is a deficient number, since it is larger than the sum of its proper divisors (525946156).

691363196 is a wasteful number, since it uses less digits than its factorization.

691363196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060540 (or 1060538 counting only the distinct ones).

The product of its digits is 157464, while the sum is 44.

The square root of 691363196 is about 26293.7862621571. The cubic root of 691363196 is about 884.2371397540.

The spelling of 691363196 in words is "six hundred ninety-one million, three hundred sixty-three thousand, one hundred ninety-six".