691035448504 has 16 divisors (see below), whose sum is σ = 1303944280200. Its totient is φ = 343316973792.

The previous prime is 691035448471. The next prime is 691035448529. The reversal of 691035448504 is 405844530196.

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, 275092474 + ... + 275094985.

Almost surely, 2^691035448504 is an apocalyptic number.

It is an amenable number.

691035448504 is a deficient number, since it is larger than the sum of its proper divisors (612908831696).

691035448504 is a wasteful number, since it uses less digits than its factorization.

691035448504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550187622 (or 550187618 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 691035448504 in words is "six hundred ninety-one billion, thirty-five million, four hundred forty-eight thousand, five hundred four".