690033969 has 12 divisors (see below), whose sum is σ = 1013610000. Its totient is φ = 452225304.

The previous prime is 690033941. The next prime is 690033989. The reversal of 690033969 is 969330096.

It is not a de Polignac number, because 690033969 - 2⁵ = 690033937 is a prime.

It is a super-2 number, since 2×690033969² = 952293756747785922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (690033989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649219 + ... + 650280.

It is an arithmetic number, because the mean of its divisors is an integer number (84467500).

Almost surely, 2^690033969 is an apocalyptic number.

It is an amenable number.

690033969 is a deficient number, since it is larger than the sum of its proper divisors (323576031).

690033969 is a wasteful number, since it uses less digits than its factorization.

690033969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299564 (or 1299561 counting only the distinct ones).

The product of its (nonzero) digits is 236196, while the sum is 45.

The square root of 690033969 is about 26268.4976540342. The cubic root of 690033969 is about 883.6700929187.

The spelling of 690033969 in words is "six hundred ninety million, thirty-three thousand, nine hundred sixty-nine".