43074536431 has 4 divisors (see below), whose sum is σ = 43074959032. Its totient is φ = 43074113832.

The previous prime is 43074536423. The next prime is 43074536441. The reversal of 43074536431 is 13463547034.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 43074536431 - 2³ = 43074536423 is a prime.

It is a super-2 number, since 2×43074536431² (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 (43074536441) 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, 46156 + ... + 297118.

It is an arithmetic number, because the mean of its divisors is an integer number (10768739758).

Almost surely, 2^43074536431 is an apocalyptic number.

43074536431 is a deficient number, since it is larger than the sum of its proper divisors (422601).

43074536431 is a wasteful number, since it uses less digits than its factorization.

43074536431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422600.

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 43074536431 in words is "forty-three billion, seventy-four million, five hundred thirty-six thousand, four hundred thirty-one".