3432402021 has 4 divisors (see below), whose sum is σ = 4576536032. Its totient is φ = 2288268012.

The previous prime is 3432402019. The next prime is 3432402031. The reversal of 3432402021 is 1202042343.

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 3432402021 - 2¹ = 3432402019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3432402031) 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, 572067001 + ... + 572067006.

It is an arithmetic number, because the mean of its divisors is an integer number (1144134008).

Almost surely, 2^3432402021 is an apocalyptic number.

It is an amenable number.

3432402021 is a deficient number, since it is larger than the sum of its proper divisors (1144134011).

3432402021 is a wasteful number, since it uses less digits than its factorization.

3432402021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144134010.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3432402021 is about 58586.7051556921. The cubic root of 3432402021 is about 1508.4562415138.

Adding to 3432402021 its reverse (1202042343), we get a palindrome (4634444364).

The spelling of 3432402021 in words is "three billion, four hundred thirty-two million, four hundred two thousand, twenty-one".