957196489 has 2 divisors, whose sum is σ = 957196490. Its totient is φ = 957196488.

The previous prime is 957196481. The next prime is 957196519. The reversal of 957196489 is 984691759.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 955737225 + 1459264 = 30915^2 + 1208^2 .

It is an emirp because it is prime and its reverse (984691759) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 957196489 - 2³ = 957196481 is a prime.

It is not a weakly prime, because it can be changed into another prime (957196481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 478598244 + 478598245.

It is an arithmetic number, because the mean of its divisors is an integer number (478598245).

Almost surely, 2^957196489 is an apocalyptic number.

It is an amenable number.

957196489 is a deficient number, since it is larger than the sum of its proper divisors (1).

957196489 is an equidigital number, since it uses as much as digits as its factorization.

957196489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 58.

The square root of 957196489 is about 30938.5922271845. The cubic root of 957196489 is about 985.5236083372.

The spelling of 957196489 in words is "nine hundred fifty-seven million, one hundred ninety-six thousand, four hundred eighty-nine".