439937130697 has 4 divisors (see below), whose sum is σ = 440024097040. Its totient is φ = 439850164356.

The previous prime is 439937130643. The next prime is 439937130707. The reversal of 439937130697 is 796031739934.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 439937130697 - 2⁷ = 439937130569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439937130197) 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, 43475583 + ... + 43485700.

It is an arithmetic number, because the mean of its divisors is an integer number (110006024260).

Almost surely, 2^439937130697 is an apocalyptic number.

It is an amenable number.

439937130697 is a deficient number, since it is larger than the sum of its proper divisors (86966343).

439937130697 is an equidigital number, since it uses as much as digits as its factorization.

439937130697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86966342.

The product of its (nonzero) digits is 23147208, while the sum is 61.

The spelling of 439937130697 in words is "four hundred thirty-nine billion, nine hundred thirty-seven million, one hundred thirty thousand, six hundred ninety-seven".