43942874975 has 12 divisors (see below), whose sum is σ = 55756356216. Its totient is φ = 34336757280.

The previous prime is 43942874959. The next prime is 43942874977. The reversal of 43942874975 is 57947824934.

It is not a de Polignac number, because 43942874975 - 2⁴ = 43942874959 is a prime.

It is a super-2 number, since 2×43942874975² (a number of 22 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 (43942874977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20437472 + ... + 20439621.

It is an arithmetic number, because the mean of its divisors is an integer number (4646363018).

Almost surely, 2^43942874975 is an apocalyptic number.

43942874975 is a deficient number, since it is larger than the sum of its proper divisors (11813481241).

43942874975 is a wasteful number, since it uses less digits than its factorization.

43942874975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40877146 (or 40877141 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 62.

The spelling of 43942874975 in words is "forty-three billion, nine hundred forty-two million, eight hundred seventy-four thousand, nine hundred seventy-five".