3432656421 has 16 divisors (see below), whose sum is σ = 5193619200. Its totient is φ = 2239746624.

The previous prime is 3432656377. The next prime is 3432656431. The reversal of 3432656421 is 1246562343.

3432656421 is a `hidden beast` number, since 3 + 4 + 3 + 2 + 6 + 5 + 642 + 1 = 666.

It is not a de Polignac number, because 3432656421 - 2⁹ = 3432655909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3432656431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351236 + ... + 1353773.

It is an arithmetic number, because the mean of its divisors is an integer number (324601200).

Almost surely, 2^3432656421 is an apocalyptic number.

It is an amenable number.

3432656421 is a deficient number, since it is larger than the sum of its proper divisors (1760962779).

3432656421 is a wasteful number, since it uses less digits than its factorization.

3432656421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705065 (or 2705059 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 3432656421 is about 58588.8762565045. The cubic root of 3432656421 is about 1508.4935081068.

The spelling of 3432656421 in words is "three billion, four hundred thirty-two million, six hundred fifty-six thousand, four hundred twenty-one".