695649937 has 2 divisors, whose sum is σ = 695649938. Its totient is φ = 695649936.

The previous prime is 695649919. The next prime is 695649959. The reversal of 695649937 is 739946596.

695649937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400360081 + 295289856 = 20009^2 + 17184^2 .

It is a cyclic number.

It is not a de Polignac number, because 695649937 - 2¹⁹ = 695125649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (695649137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347824968 + 347824969.

It is an arithmetic number, because the mean of its divisors is an integer number (347824969).

Almost surely, 2^695649937 is an apocalyptic number.

It is an amenable number.

695649937 is a deficient number, since it is larger than the sum of its proper divisors (1).

695649937 is an equidigital number, since it uses as much as digits as its factorization.

695649937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 58.

The square root of 695649937 is about 26375.1765302149. The cubic root of 695649937 is about 886.0609222359.

The spelling of 695649937 in words is "six hundred ninety-five million, six hundred forty-nine thousand, nine hundred thirty-seven".