3115021489 has 2 divisors, whose sum is σ = 3115021490. Its totient is φ = 3115021488.

The previous prime is 3115021451. The next prime is 3115021501. The reversal of 3115021489 is 9841205113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2721395889 + 393625600 = 52167^2 + 19840^2 .

It is a cyclic number.

It is not a de Polignac number, because 3115021489 - 2¹¹ = 3115019441 is a prime.

It is not a weakly prime, because it can be changed into another prime (3115024489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557510744 + 1557510745.

It is an arithmetic number, because the mean of its divisors is an integer number (1557510745).

Almost surely, 2^3115021489 is an apocalyptic number.

It is an amenable number.

3115021489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115021489 is an equidigital number, since it uses as much as digits as its factorization.

3115021489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 3115021489 is about 55812.3775608959. The cubic root of 3115021489 is about 1460.4510848934.

The spelling of 3115021489 in words is "three billion, one hundred fifteen million, twenty-one thousand, four hundred eighty-nine".