3432323721 has 4 divisors (see below), whose sum is σ = 4576431632. Its totient is φ = 2288215812.

The previous prime is 3432323701. The next prime is 3432323729. The reversal of 3432323721 is 1273232343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3432323721 - 2¹³ = 3432315529 is a prime.

It is a super-2 number, since 2×3432323721² = 23561692251478571682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3432323729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572053951 + ... + 572053956.

It is an arithmetic number, because the mean of its divisors is an integer number (1144107908).

Almost surely, 2^3432323721 is an apocalyptic number.

It is an amenable number.

3432323721 is a deficient number, since it is larger than the sum of its proper divisors (1144107911).

3432323721 is a wasteful number, since it uses less digits than its factorization.

3432323721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144107910.

The product of its digits is 18144, while the sum is 30.

The square root of 3432323721 is about 58586.0369115372. The cubic root of 3432323721 is about 1508.4447711188. Note that the first 3 decimals are identical.

The spelling of 3432323721 in words is "three billion, four hundred thirty-two million, three hundred twenty-three thousand, seven hundred twenty-one".