3363496921 has 4 divisors (see below), whose sum is σ = 3363613200. Its totient is φ = 3363380644.

The previous prime is 3363496891. The next prime is 3363496943. The reversal of 3363496921 is 1296943633.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1296943633 = 641 ⋅2023313.

It is a cyclic number.

It is not a de Polignac number, because 3363496921 - 2⁵ = 3363496889 is a prime.

It is a super-2 number, since 2×3363496921² = 22626223075152960482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3363496991) 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, 22950 + ... + 85168.

It is an arithmetic number, because the mean of its divisors is an integer number (840903300).

Almost surely, 2^3363496921 is an apocalyptic number.

It is an amenable number.

3363496921 is a deficient number, since it is larger than the sum of its proper divisors (116279).

3363496921 is an equidigital number, since it uses as much as digits as its factorization.

3363496921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116278.

The product of its digits is 629856, while the sum is 46.

The square root of 3363496921 is about 57995.6629499138. The cubic root of 3363496921 is about 1498.2939003666.

The spelling of 3363496921 in words is "three billion, three hundred sixty-three million, four hundred ninety-six thousand, nine hundred twenty-one".