3351664445 has 4 divisors (see below), whose sum is σ = 4021997340. Its totient is φ = 2681331552.

The previous prime is 3351664399. The next prime is 3351664447. The reversal of 3351664445 is 5444661533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5444661533 = 31 ⋅175634243.

It can be written as a sum of positive squares in 2 ways, for example, as 508322116 + 2843342329 = 22546^2 + 53323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3351664445 is a prime.

It is a super-2 number, since 2×3351664445² = 22467309103754316050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351664447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335166440 + ... + 335166449.

It is an arithmetic number, because the mean of its divisors is an integer number (1005499335).

Almost surely, 2^3351664445 is an apocalyptic number.

It is an amenable number.

3351664445 is a deficient number, since it is larger than the sum of its proper divisors (670332895).

3351664445 is an equidigital number, since it uses as much as digits as its factorization.

3351664445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670332894.

The product of its digits is 518400, while the sum is 41.

The square root of 3351664445 is about 57893.5613432098. The cubic root of 3351664445 is about 1496.5348822104.

The spelling of 3351664445 in words is "three billion, three hundred fifty-one million, six hundred sixty-four thousand, four hundred forty-five".