3321420451 has 4 divisors (see below), whose sum is σ = 3354305904. Its totient is φ = 3288535000.

The previous prime is 3321420449. The next prime is 3321420467. The reversal of 3321420451 is 1540241233.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3321420451 - 2¹ = 3321420449 is a prime.

It is a super-2 number, since 2×3321420451² = 22063667624642086802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3321420481) 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, 16442575 + ... + 16442776.

It is an arithmetic number, because the mean of its divisors is an integer number (838576476).

Almost surely, 2^3321420451 is an apocalyptic number.

3321420451 is a deficient number, since it is larger than the sum of its proper divisors (32885453).

3321420451 is a wasteful number, since it uses less digits than its factorization.

3321420451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32885452.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3321420451 is about 57631.7659889058. The cubic root of 3321420451 is about 1492.0199097639.

Adding to 3321420451 its reverse (1540241233), we get a palindrome (4861661684).

The spelling of 3321420451 in words is "three billion, three hundred twenty-one million, four hundred twenty thousand, four hundred fifty-one".