3291221923 has 8 divisors (see below), whose sum is σ = 3635873280. Its totient is φ = 2954145480.

The previous prime is 3291221903. The next prime is 3291222013.

3291221923 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 3291221923 - 2⁹ = 3291221411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3291221903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892815 + ... + 1894552.

It is an arithmetic number, because the mean of its divisors is an integer number (454484160).

Almost surely, 2^3291221923 is an apocalyptic number.

3291221923 is a deficient number, since it is larger than the sum of its proper divisors (344651357).

3291221923 is a wasteful number, since it uses less digits than its factorization.

3291221923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787457.

The product of its digits is 11664, while the sum is 34.

The square root of 3291221923 is about 57369.1722356180. The cubic root of 3291221923 is about 1487.4842948981.

The spelling of 3291221923 in words is "three billion, two hundred ninety-one million, two hundred twenty-one thousand, nine hundred twenty-three".