3332644393 has 4 divisors (see below), whose sum is σ = 3589001668. Its totient is φ = 3076287120.

The previous prime is 3332644331. The next prime is 3332644397. The reversal of 3332644393 is 3934462333.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1904711449 + 1427932944 = 43643^2 + 37788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3332644393 is a prime.

It is a super-2 number, since 2×3332644393² = 22213037300388676898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3332644397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128178618 + ... + 128178643.

It is an arithmetic number, because the mean of its divisors is an integer number (897250417).

Almost surely, 2^3332644393 is an apocalyptic number.

It is an amenable number.

3332644393 is a deficient number, since it is larger than the sum of its proper divisors (256357275).

3332644393 is a wasteful number, since it uses less digits than its factorization.

3332644393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256357274.

The product of its digits is 419904, while the sum is 40.

The square root of 3332644393 is about 57729.0602123402. The cubic root of 3332644393 is about 1493.6986610787.

The spelling of 3332644393 in words is "three billion, three hundred thirty-two million, six hundred forty-four thousand, three hundred ninety-three".