3393612437221 has 24 divisors (see below), whose sum is σ = 3612468744576. Its totient is φ = 3187358603520.

The previous prime is 3393612437177. The next prime is 3393612437279. The reversal of 3393612437221 is 1227342163933.

It is not a de Polignac number, because 3393612437221 - 2⁷ = 3393612437093 is a prime.

It is a super-2 number, since 2×3393612437221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3393612437291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 408323656 + ... + 408331966.

It is an arithmetic number, because the mean of its divisors is an integer number (150519531024).

Almost surely, 2^{3393612437221} is an apocalyptic number.

It is an amenable number.

3393612437221 is a deficient number, since it is larger than the sum of its proper divisors (218856307355).

3393612437221 is a wasteful number, since it uses less digits than its factorization.

3393612437221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11109 (or 11092 counting only the distinct ones).

The product of its digits is 979776, while the sum is 46.

The spelling of 3393612437221 in words is "three trillion, three hundred ninety-three billion, six hundred twelve million, four hundred thirty-seven thousand, two hundred twenty-one".