439130434787 has 24 divisors (see below), whose sum is σ = 487634211120. Its totient is φ = 395115336000.

The previous prime is 439130434763. The next prime is 439130434829. The reversal of 439130434787 is 787434031934.

It is a happy number.

It is not a de Polignac number, because 439130434787 - 2²⁰ = 439129386211 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439130434387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50016164 + ... + 50024942.

It is an arithmetic number, because the mean of its divisors is an integer number (20318092130).

Almost surely, 2^439130434787 is an apocalyptic number.

439130434787 is a deficient number, since it is larger than the sum of its proper divisors (48503776333).

439130434787 is a wasteful number, since it uses less digits than its factorization.

439130434787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995 (or 12984 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 439130434787 in words is "four hundred thirty-nine billion, one hundred thirty million, four hundred thirty-four thousand, seven hundred eighty-seven".