307696693 has 2 divisors, whose sum is σ = 307696694. Its totient is φ = 307696692.

The previous prime is 307696681. The next prime is 307696703. The reversal of 307696693 is 396696703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234028804 + 73667889 = 15298^2 + 8583^2 .

It is a cyclic number.

It is not a de Polignac number, because 307696693 - 2⁵ = 307696661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307696603) 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, 153848346 + 153848347.

It is an arithmetic number, because the mean of its divisors is an integer number (153848347).

Almost surely, 2^307696693 is an apocalyptic number.

It is an amenable number.

307696693 is a deficient number, since it is larger than the sum of its proper divisors (1).

307696693 is an equidigital number, since it uses as much as digits as its factorization.

307696693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 307696693 is about 17541.2853861968. The cubic root of 307696693 is about 675.1095884256.

The spelling of 307696693 in words is "three hundred seven million, six hundred ninety-six thousand, six hundred ninety-three".