690313612 has 6 divisors (see below), whose sum is σ = 1208048828. Its totient is φ = 345156804.

The previous prime is 690313607. The next prime is 690313619. The reversal of 690313612 is 216313096.

It is not an unprimeable number, because it can be changed into a prime (690313619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86289198 + ... + 86289205.

Almost surely, 2^690313612 is an apocalyptic number.

It is an amenable number.

690313612 is a deficient number, since it is larger than the sum of its proper divisors (517735216).

690313612 is a wasteful number, since it uses less digits than its factorization.

690313612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172578407 (or 172578405 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 690313612 is about 26273.8198973807. The cubic root of 690313612 is about 883.7894487731.

The spelling of 690313612 in words is "six hundred ninety million, three hundred thirteen thousand, six hundred twelve".