691104604 has 12 divisors (see below), whose sum is σ = 1280576304. Its totient is φ = 325225664.

The previous prime is 691104599. The next prime is 691104647. The reversal of 691104604 is 406401196.

691104604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5081584 + ... + 5081719.

It is an arithmetic number, because the mean of its divisors is an integer number (106714692).

Almost surely, 2^691104604 is an apocalyptic number.

It is an amenable number.

691104604 is a deficient number, since it is larger than the sum of its proper divisors (589471700).

691104604 is a wasteful number, since it uses less digits than its factorization.

691104604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10163324 (or 10163322 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 691104604 is about 26288.8684427459. The cubic root of 691104604 is about 884.1268816600.

The spelling of 691104604 in words is "six hundred ninety-one million, one hundred four thousand, six hundred four".