3432666421 has 2 divisors, whose sum is σ = 3432666422. Its totient is φ = 3432666420.

The previous prime is 3432666373. The next prime is 3432666437. The reversal of 3432666421 is 1246662343.

It is a happy number.

3432666421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3426346225 + 6320196 = 58535^2 + 2514^2 .

It is a cyclic number.

It is not a de Polignac number, because 3432666421 - 2⁹ = 3432665909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3432666451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1716333210 + 1716333211.

It is an arithmetic number, because the mean of its divisors is an integer number (1716333211).

Almost surely, 2^3432666421 is an apocalyptic number.

It is an amenable number.

3432666421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3432666421 is an equidigital number, since it uses as much as digits as its factorization.

3432666421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The square root of 3432666421 is about 58588.9615968742. The cubic root of 3432666421 is about 1508.4949729510.

The spelling of 3432666421 in words is "three billion, four hundred thirty-two million, six hundred sixty-six thousand, four hundred twenty-one".