42973360439 has 4 divisors (see below), whose sum is σ = 43002222480. Its totient is φ = 42944498400.

The previous prime is 42973360433. The next prime is 42973360453. The reversal of 42973360439 is 93406337924.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42973360439 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 (42973360433) 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, 14428787 + ... + 14431764.

It is an arithmetic number, because the mean of its divisors is an integer number (10750555620).

Almost surely, 2^42973360439 is an apocalyptic number.

42973360439 is a deficient number, since it is larger than the sum of its proper divisors (28862041).

42973360439 is a wasteful number, since it uses less digits than its factorization.

42973360439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28862040.

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 42973360439 in words is "forty-two billion, nine hundred seventy-three million, three hundred sixty thousand, four hundred thirty-nine".