945696637 has 2 divisors, whose sum is σ = 945696638. Its totient is φ = 945696636.

The previous prime is 945696629. The next prime is 945696643. The reversal of 945696637 is 736696549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774453241 + 171243396 = 27829^2 + 13086^2 .

It is a cyclic number.

It is not a de Polignac number, because 945696637 - 2³ = 945696629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (945696617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472848318 + 472848319.

It is an arithmetic number, because the mean of its divisors is an integer number (472848319).

Almost surely, 2^945696637 is an apocalyptic number.

It is an amenable number.

945696637 is a deficient number, since it is larger than the sum of its proper divisors (1).

945696637 is an equidigital number, since it uses as much as digits as its factorization.

945696637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 55.

The square root of 945696637 is about 30752.1810120843. The cubic root of 945696637 is about 981.5609709508.

The spelling of 945696637 in words is "nine hundred forty-five million, six hundred ninety-six thousand, six hundred thirty-seven".