3362749355621 has 4 divisors (see below), whose sum is σ = 3362939541792. Its totient is φ = 3362559169452.

The previous prime is 3362749355617. The next prime is 3362749355627. The reversal of 3362749355621 is 1265539472633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3362749355621 - 2² = 3362749355617 is a prime.

It is a super-2 number, since 2×3362749355621² (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 (3362749355627) 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, 95066561 + ... + 95101926.

It is an arithmetic number, because the mean of its divisors is an integer number (840734885448).

Almost surely, 2^{3362749355621} is an apocalyptic number.

It is an amenable number.

3362749355621 is a deficient number, since it is larger than the sum of its proper divisors (190186171).

3362749355621 is a wasteful number, since it uses less digits than its factorization.

3362749355621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190186170.

The product of its digits is 24494400, while the sum is 56.

The spelling of 3362749355621 in words is "three trillion, three hundred sixty-two billion, seven hundred forty-nine million, three hundred fifty-five thousand, six hundred twenty-one".