614981489 has 2 divisors, whose sum is σ = 614981490. Its totient is φ = 614981488.

The previous prime is 614981483. The next prime is 614981581. The reversal of 614981489 is 984189416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496933264 + 118048225 = 22292^2 + 10865^2 .

It is a cyclic number.

It is not a de Polignac number, because 614981489 - 2²⁴ = 598204273 is a prime.

It is not a weakly prime, because it can be changed into another prime (614981483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307490744 + 307490745.

It is an arithmetic number, because the mean of its divisors is an integer number (307490745).

Almost surely, 2^614981489 is an apocalyptic number.

It is an amenable number.

614981489 is a deficient number, since it is larger than the sum of its proper divisors (1).

614981489 is an equidigital number, since it uses as much as digits as its factorization.

614981489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 50.

The square root of 614981489 is about 24798.8203146843. The cubic root of 614981489 is about 850.3949670777.

The spelling of 614981489 in words is "six hundred fourteen million, nine hundred eighty-one thousand, four hundred eighty-nine".