6434839287 has 16 divisors (see below), whose sum is σ = 9544000480. Its totient is φ = 4284985536.

The previous prime is 6434839277. The next prime is 6434839321. The reversal of 6434839287 is 7829384346.

It is not a de Polignac number, because 6434839287 - 2¹⁴ = 6434822903 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 (6434839207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112198 + ... + 159555.

It is an arithmetic number, because the mean of its divisors is an integer number (596500030).

Almost surely, 2^6434839287 is an apocalyptic number.

6434839287 is a deficient number, since it is larger than the sum of its proper divisors (3109161193).

6434839287 is a wasteful number, since it uses less digits than its factorization.

6434839287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272639 (or 272633 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 6434839287 is about 80217.4500155671. The cubic root of 6434839287 is about 1859.9983896968.

The spelling of 6434839287 in words is "six billion, four hundred thirty-four million, eight hundred thirty-nine thousand, two hundred eighty-seven".