338739805983 has 4 divisors (see below), whose sum is σ = 451653074648. Its totient is φ = 225826537320.

The previous prime is 338739805981. The next prime is 338739805991. The reversal of 338739805983 is 389508937833.

It is a happy number.

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

It is not a de Polignac number, because 338739805983 - 2¹ = 338739805981 is a prime.

It is a super-2 number, since 2×338739805983² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338739805981) 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, 56456634328 + ... + 56456634333.

It is an arithmetic number, because the mean of its divisors is an integer number (112913268662).

Almost surely, 2^338739805983 is an apocalyptic number.

338739805983 is a deficient number, since it is larger than the sum of its proper divisors (112913268665).

338739805983 is a wasteful number, since it uses less digits than its factorization.

338739805983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112913268664.

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 338739805983 in words is "three hundred thirty-eight billion, seven hundred thirty-nine million, eight hundred five thousand, nine hundred eighty-three".