3318503689 has 2 divisors, whose sum is σ = 3318503690. Its totient is φ = 3318503688.

The previous prime is 3318503651. The next prime is 3318503707. The reversal of 3318503689 is 9863058133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2128253689 + 1190250000 = 46133^2 + 34500^2 .

It is a cyclic number.

It is not a de Polignac number, because 3318503689 - 2⁷ = 3318503561 is a prime.

It is a super-2 number, since 2×3318503689² = 22024933467813217442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3318503609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659251844 + 1659251845.

It is an arithmetic number, because the mean of its divisors is an integer number (1659251845).

Almost surely, 2^3318503689 is an apocalyptic number.

It is an amenable number.

3318503689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3318503689 is an equidigital number, since it uses as much as digits as its factorization.

3318503689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 3318503689 is about 57606.4552719572. The cubic root of 3318503689 is about 1491.5830342813.

The spelling of 3318503689 in words is "three billion, three hundred eighteen million, five hundred three thousand, six hundred eighty-nine".