6432001439 has 2 divisors, whose sum is σ = 6432001440. Its totient is φ = 6432001438.

The previous prime is 6432001423. The next prime is 6432001453. The reversal of 6432001439 is 9341002346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6432001439 - 2⁴ = 6432001423 is a prime.

It is a super-2 number, since 2×6432001439² = 82741285022596141442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6432001039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3216000719 + 3216000720.

It is an arithmetic number, because the mean of its divisors is an integer number (3216000720).

Almost surely, 2^6432001439 is an apocalyptic number.

6432001439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6432001439 is an equidigital number, since it uses as much as digits as its factorization.

6432001439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 6432001439 is about 80199.7595944028. The cubic root of 6432001439 is about 1859.7249216473.

The spelling of 6432001439 in words is "six billion, four hundred thirty-two million, one thousand, four hundred thirty-nine".