3432404021 has 2 divisors, whose sum is σ = 3432404022. Its totient is φ = 3432404020.

The previous prime is 3432403991. The next prime is 3432404029. The reversal of 3432404021 is 1204042343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1746069796 + 1686334225 = 41786^2 + 41065^2 .

It is a cyclic number.

It is not a de Polignac number, because 3432404021 - 2⁶ = 3432403957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3432404029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716202010 + 1716202011.

It is an arithmetic number, because the mean of its divisors is an integer number (1716202011).

Almost surely, 2^3432404021 is an apocalyptic number.

It is an amenable number.

3432404021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3432404021 is an equidigital number, since it uses as much as digits as its factorization.

3432404021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3432404021 is about 58586.7222244085. The cubic root of 3432404021 is about 1508.4565344974.

Adding to 3432404021 its reverse (1204042343), we get a palindrome (4636446364).

The spelling of 3432404021 in words is "three billion, four hundred thirty-two million, four hundred four thousand, twenty-one".