3318512389 has 2 divisors, whose sum is σ = 3318512390. Its totient is φ = 3318512388.

The previous prime is 3318512363. The next prime is 3318512411. The reversal of 3318512389 is 9832158133.

3318512389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856047364 + 462465025 = 53442^2 + 21505^2 .

It is a cyclic number.

It is not a de Polignac number, because 3318512389 - 2⁵ = 3318512357 is a prime.

It is a super-2 number, since 2×3318512389² = 22025048951892974642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3318512339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659256194 + 1659256195.

It is an arithmetic number, because the mean of its divisors is an integer number (1659256195).

Almost surely, 2^3318512389 is an apocalyptic number.

It is an amenable number.

3318512389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3318512389 is an equidigital number, since it uses as much as digits as its factorization.

3318512389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 3318512389 is about 57606.5307842783. The cubic root of 3318512389 is about 1491.5843377565.

The spelling of 3318512389 in words is "three billion, three hundred eighteen million, five hundred twelve thousand, three hundred eighty-nine".