43274067939 has 16 divisors (see below), whose sum is σ = 65600656000. Its totient is φ = 28178462088.

The previous prime is 43274067917. The next prime is 43274067959. The reversal of 43274067939 is 93976047234.

It is not a de Polignac number, because 43274067939 - 2⁹ = 43274067427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43274067959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18635389 + ... + 18637710.

It is an arithmetic number, because the mean of its divisors is an integer number (4100041000).

Almost surely, 2^43274067939 is an apocalyptic number.

43274067939 is a deficient number, since it is larger than the sum of its proper divisors (22326588061).

43274067939 is a wasteful number, since it uses less digits than its factorization.

43274067939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37273151 (or 37273145 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 43274067939 in words is "forty-three billion, two hundred seventy-four million, sixty-seven thousand, nine hundred thirty-nine".