3354631621 has 16 divisors (see below), whose sum is σ = 3915374400. Its totient is φ = 2841782400.

The previous prime is 3354631619. The next prime is 3354631669. The reversal of 3354631621 is 1261364533.

It is a cyclic number.

It is not a de Polignac number, because 3354631621 - 2¹ = 3354631619 is a prime.

It is a super-2 number, since 2×3354631621² = 22507106625226175282, which 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 (3354631601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118816 + ... + 144313.

It is an arithmetic number, because the mean of its divisors is an integer number (244710900).

Almost surely, 2^3354631621 is an apocalyptic number.

It is an amenable number.

3354631621 is a deficient number, since it is larger than the sum of its proper divisors (560742779).

3354631621 is a wasteful number, since it uses less digits than its factorization.

3354631621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263220.

The product of its digits is 38880, while the sum is 34.

The square root of 3354631621 is about 57919.1818053398. The cubic root of 3354631621 is about 1496.9763715797.

The spelling of 3354631621 in words is "three billion, three hundred fifty-four million, six hundred thirty-one thousand, six hundred twenty-one".