3321912945 has 16 divisors (see below), whose sum is σ = 5723911872. Its totient is φ = 1635403200.

The previous prime is 3321912889. The next prime is 3321912989. The reversal of 3321912945 is 5492191233.

It is not a de Polignac number, because 3321912945 - 2¹⁴ = 3321896561 is a prime.

It is a super-2 number, since 2×3321912945² = 22070211228317146050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8517531 + ... + 8517920.

It is an arithmetic number, because the mean of its divisors is an integer number (357744492).

Almost surely, 2^3321912945 is an apocalyptic number.

It is an amenable number.

3321912945 is a deficient number, since it is larger than the sum of its proper divisors (2401998927).

3321912945 is a wasteful number, since it uses less digits than its factorization.

3321912945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035472.

The product of its digits is 58320, while the sum is 39.

The square root of 3321912945 is about 57636.0385956565. The cubic root of 3321912945 is about 1492.0936507580.

It can be divided in two parts, 33219 and 12945, that added together give a palindrome (46164).

The spelling of 3321912945 in words is "three billion, three hundred twenty-one million, nine hundred twelve thousand, nine hundred forty-five".