6432865279 has 4 divisors (see below), whose sum is σ = 6455758320. Its totient is φ = 6409972240.

The previous prime is 6432865247. The next prime is 6432865333. The reversal of 6432865279 is 9725682346.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6432865279 - 2⁵ = 6432865247 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 (6432862279) 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, 11446099 + ... + 11446660.

It is an arithmetic number, because the mean of its divisors is an integer number (1613939580).

Almost surely, 2^6432865279 is an apocalyptic number.

6432865279 is a deficient number, since it is larger than the sum of its proper divisors (22893041).

6432865279 is a wasteful number, since it uses less digits than its factorization.

6432865279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22893040.

The product of its digits is 4354560, while the sum is 52.

The square root of 6432865279 is about 80205.1449658936. The cubic root of 6432865279 is about 1859.8081737463.

The spelling of 6432865279 in words is "six billion, four hundred thirty-two million, eight hundred sixty-five thousand, two hundred seventy-nine".