439746911387 has 12 divisors (see below), whose sum is σ = 512282657736. Its totient is φ = 376380416160.

The previous prime is 439746911381. The next prime is 439746911521. The reversal of 439746911387 is 783119647934.

It is not a de Polignac number, because 439746911387 - 2²² = 439742717083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439746911381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6459938 + ... + 6527655.

It is an arithmetic number, because the mean of its divisors is an integer number (42690221478).

Almost surely, 2^439746911387 is an apocalyptic number.

439746911387 is a deficient number, since it is larger than the sum of its proper divisors (72535746349).

439746911387 is a wasteful number, since it uses less digits than its factorization.

439746911387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988298 (or 12988291 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 62.

The spelling of 439746911387 in words is "four hundred thirty-nine billion, seven hundred forty-six million, nine hundred eleven thousand, three hundred eighty-seven".