8958157489 has 2 divisors, whose sum is σ = 8958157490. Its totient is φ = 8958157488.

The previous prime is 8958157469. The next prime is 8958157499. The reversal of 8958157489 is 9847518598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6594739264 + 2363418225 = 81208^2 + 48615^2 .

It is a cyclic number.

It is not a de Polignac number, because 8958157489 - 2⁵ = 8958157457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8958157489.

It is not a weakly prime, because it can be changed into another prime (8958157409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4479078744 + 4479078745.

It is an arithmetic number, because the mean of its divisors is an integer number (4479078745).

Almost surely, 2^8958157489 is an apocalyptic number.

It is an amenable number.

8958157489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8958157489 is an equidigital number, since it uses as much as digits as its factorization.

8958157489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 64.

The square root of 8958157489 is about 94647.5434916300. The cubic root of 8958157489 is about 2076.8552615237.

The spelling of 8958157489 in words is "eight billion, nine hundred fifty-eight million, one hundred fifty-seven thousand, four hundred eighty-nine".