3214272491 has 4 divisors (see below), whose sum is σ = 3237734472. Its totient is φ = 3190810512.

The previous prime is 3214272443. The next prime is 3214272493. The reversal of 3214272491 is 1942724123.

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 3214272491 - 2¹⁴ = 3214256107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3214272493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11730785 + ... + 11731058.

It is an arithmetic number, because the mean of its divisors is an integer number (809433618).

Almost surely, 2^3214272491 is an apocalyptic number.

3214272491 is a deficient number, since it is larger than the sum of its proper divisors (23461981).

3214272491 is a wasteful number, since it uses less digits than its factorization.

3214272491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23461980.

The product of its digits is 24192, while the sum is 35.

The square root of 3214272491 is about 56694.5543328458. The cubic root of 3214272491 is about 1475.8001964335.

The spelling of 3214272491 in words is "three billion, two hundred fourteen million, two hundred seventy-two thousand, four hundred ninety-one".