439039474197 has 4 divisors (see below), whose sum is σ = 585385965600. Its totient is φ = 292692982796.

The previous prime is 439039474189. The next prime is 439039474253. The reversal of 439039474197 is 791474930934.

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 439039474197 - 2³ = 439039474189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 439039474197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439039474897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73173245697 + ... + 73173245702.

It is an arithmetic number, because the mean of its divisors is an integer number (146346491400).

Almost surely, 2^439039474197 is an apocalyptic number.

It is an amenable number.

439039474197 is a deficient number, since it is larger than the sum of its proper divisors (146346491403).

439039474197 is a wasteful number, since it uses less digits than its factorization.

439039474197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146346491402.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 439039474197 in words is "four hundred thirty-nine billion, thirty-nine million, four hundred seventy-four thousand, one hundred ninety-seven".