439696343938 has 4 divisors (see below), whose sum is σ = 659544515910. Its totient is φ = 219848171968.

The previous prime is 439696343887. The next prime is 439696343987. The reversal of 439696343938 is 839343696934.

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

It can be written as a sum of positive squares in only one way, i.e., 382798351849 + 56897992089 = 618707^2 + 238533^2 .

It is a super-3 number, since 3×439696343938³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109924085983 + ... + 109924085986.

Almost surely, 2^439696343938 is an apocalyptic number.

439696343938 is a deficient number, since it is larger than the sum of its proper divisors (219848171972).

439696343938 is a wasteful number, since it uses less digits than its factorization.

439696343938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219848171971.

The product of its digits is 272097792, while the sum is 67.

The spelling of 439696343938 in words is "four hundred thirty-nine billion, six hundred ninety-six million, three hundred forty-three thousand, nine hundred thirty-eight".