969147913 has 2 divisors, whose sum is σ = 969147914. Its totient is φ = 969147912.

The previous prime is 969147901. The next prime is 969147973. The reversal of 969147913 is 319741969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 734843664 + 234304249 = 27108^2 + 15307^2 .

It is an emirp because it is prime and its reverse (319741969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969147913 - 2²⁵ = 935593481 is a prime.

It is not a weakly prime, because it can be changed into another prime (969147973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484573956 + 484573957.

It is an arithmetic number, because the mean of its divisors is an integer number (484573957).

Almost surely, 2^969147913 is an apocalyptic number.

It is an amenable number.

969147913 is a deficient number, since it is larger than the sum of its proper divisors (1).

969147913 is an equidigital number, since it uses as much as digits as its factorization.

969147913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 49.

The square root of 969147913 is about 31131.1405669628. The cubic root of 969147913 is about 989.6083588454.

The spelling of 969147913 in words is "nine hundred sixty-nine million, one hundred forty-seven thousand, nine hundred thirteen".