3431664418 has 16 divisors (see below), whose sum is σ = 6335380800. Its totient is φ = 1357581456.

The previous prime is 3431664413. The next prime is 3431664433. The reversal of 3431664418 is 8144661343.

It is not an unprimeable number, because it can be changed into a prime (3431664413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9427468 + ... + 9427831.

It is an arithmetic number, because the mean of its divisors is an integer number (395961300).

Almost surely, 2^3431664418 is an apocalyptic number.

3431664418 is a deficient number, since it is larger than the sum of its proper divisors (2903716382).

3431664418 is a wasteful number, since it uses less digits than its factorization.

3431664418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18855321.

The product of its digits is 165888, while the sum is 40.

The square root of 3431664418 is about 58580.4098483444. The cubic root of 3431664418 is about 1508.3481809825.

The spelling of 3431664418 in words is "three billion, four hundred thirty-one million, six hundred sixty-four thousand, four hundred eighteen".