690963059 has 2 divisors, whose sum is σ = 690963060. Its totient is φ = 690963058.

The previous prime is 690963041. The next prime is 690963071. The reversal of 690963059 is 950369096.

690963059 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 not a de Polignac number, because 690963059 - 2¹⁶ = 690897523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (690963029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345481529 + 345481530.

It is an arithmetic number, because the mean of its divisors is an integer number (345481530).

Almost surely, 2^690963059 is an apocalyptic number.

690963059 is a deficient number, since it is larger than the sum of its proper divisors (1).

690963059 is an equidigital number, since it uses as much as digits as its factorization.

690963059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 690963059 is about 26286.1761958639. The cubic root of 690963059 is about 884.0665182537.

The spelling of 690963059 in words is "six hundred ninety million, nine hundred sixty-three thousand, fifty-nine".