974149159 has 2 divisors, whose sum is σ = 974149160. Its totient is φ = 974149158.

The previous prime is 974149151. The next prime is 974149193. The reversal of 974149159 is 951941479.

It is a weak prime.

It is an emirp because it is prime and its reverse (951941479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 974149159 - 2³ = 974149151 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 (974149151) 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, 487074579 + 487074580.

It is an arithmetic number, because the mean of its divisors is an integer number (487074580).

Almost surely, 2^974149159 is an apocalyptic number.

974149159 is a deficient number, since it is larger than the sum of its proper divisors (1).

974149159 is an equidigital number, since it uses as much as digits as its factorization.

974149159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 49.

The square root of 974149159 is about 31211.3626584935. The cubic root of 974149159 is about 991.3077161184.

The spelling of 974149159 in words is "nine hundred seventy-four million, one hundred forty-nine thousand, one hundred fifty-nine".