690663829735 has 12 divisors (see below), whose sum is σ = 910991300184. Its totient is φ = 502300966640.

The previous prime is 690663829727. The next prime is 690663829759. The reversal of 690663829735 is 537928366096.

690663829735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 690663829735 - 2³ = 690663829727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570795949 + ... + 570797158.

It is an arithmetic number, because the mean of its divisors is an integer number (75915941682).

Almost surely, 2^690663829735 is an apocalyptic number.

690663829735 is a deficient number, since it is larger than the sum of its proper divisors (220327470449).

690663829735 is a wasteful number, since it uses less digits than its factorization.

690663829735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141593134 (or 1141593123 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 64.

The spelling of 690663829735 in words is "six hundred ninety billion, six hundred sixty-three million, eight hundred twenty-nine thousand, seven hundred thirty-five".