690883703 has 2 divisors, whose sum is σ = 690883704. Its totient is φ = 690883702.

The previous prime is 690883679. The next prime is 690883717. The reversal of 690883703 is 307388096.

690883703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-690883703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690883103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345441851 + 345441852.

It is an arithmetic number, because the mean of its divisors is an integer number (345441852).

Almost surely, 2^690883703 is an apocalyptic number.

690883703 is a deficient number, since it is larger than the sum of its proper divisors (1).

690883703 is an equidigital number, since it uses as much as digits as its factorization.

690883703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 690883703 is about 26284.6666899164. Note that the first 4 decimals coincide. The cubic root of 690883703 is about 884.0326724170.

The spelling of 690883703 in words is "six hundred ninety million, eight hundred eighty-three thousand, seven hundred three".