3356231621 has 4 divisors (see below), whose sum is σ = 3372138144. Its totient is φ = 3340325100.

The previous prime is 3356231597. The next prime is 3356231629. The reversal of 3356231621 is 1261326533.

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 3356231621 - 2¹⁰ = 3356230597 is a prime.

It is a super-2 number, since 2×3356231621² = 22528581387600575282, 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 (3356231629) 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, 7952945 + ... + 7953366.

It is an arithmetic number, because the mean of its divisors is an integer number (843034536).

Almost surely, 2^3356231621 is an apocalyptic number.

It is an amenable number.

3356231621 is a deficient number, since it is larger than the sum of its proper divisors (15906523).

3356231621 is a wasteful number, since it uses less digits than its factorization.

3356231621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15906522.

The product of its digits is 19440, while the sum is 32.

The square root of 3356231621 is about 57932.9925085870. The cubic root of 3356231621 is about 1497.2143293024.

The spelling of 3356231621 in words is "three billion, three hundred fifty-six million, two hundred thirty-one thousand, six hundred twenty-one".