1518014489 has 2 divisors, whose sum is σ = 1518014490. Its totient is φ = 1518014488.

The previous prime is 1518014471. The next prime is 1518014549. The reversal of 1518014489 is 9844108151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1513832464 + 4182025 = 38908^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1518014489 - 2⁸ = 1518014233 is a prime.

It is a super-2 number, since 2×1518014489² = 4608735977627862242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1518014189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759007244 + 759007245.

It is an arithmetic number, because the mean of its divisors is an integer number (759007245).

Almost surely, 2^1518014489 is an apocalyptic number.

It is an amenable number.

1518014489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1518014489 is an equidigital number, since it uses as much as digits as its factorization.

1518014489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 1518014489 is about 38961.7054169860. The cubic root of 1518014489 is about 1149.2785617500.

The spelling of 1518014489 in words is "one billion, five hundred eighteen million, fourteen thousand, four hundred eighty-nine".