3279120645 has 8 divisors (see below), whose sum is σ = 5246593056. Its totient is φ = 1748864336.

The previous prime is 3279120577. The next prime is 3279120659. The reversal of 3279120645 is 5460219723.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3279120645 - 2⁹ = 3279120133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109304007 + ... + 109304036.

It is an arithmetic number, because the mean of its divisors is an integer number (655824132).

Almost surely, 2^3279120645 is an apocalyptic number.

It is an amenable number.

3279120645 is a deficient number, since it is larger than the sum of its proper divisors (1967472411).

3279120645 is a wasteful number, since it uses less digits than its factorization.

3279120645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218608051.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 3279120645 is about 57263.6066363271. The cubic root of 3279120645 is about 1485.6589781270.

The spelling of 3279120645 in words is "three billion, two hundred seventy-nine million, one hundred twenty thousand, six hundred forty-five".