43274426825 has 48 divisors (see below), whose sum is σ = 63074712960. Its totient is φ = 28833600000.

The previous prime is 43274426821. The next prime is 43274426851. The reversal of 43274426825 is 52862447234.

43274426825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43274426825 - 2² = 43274426821 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 43274426825.

It is not an unprimeable number, because it can be changed into a prime (43274426821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1788911 + ... + 1812939.

It is an arithmetic number, because the mean of its divisors is an integer number (1314056520).

Almost surely, 2^43274426825 is an apocalyptic number.

It is an amenable number.

43274426825 is a deficient number, since it is larger than the sum of its proper divisors (19800286135).

43274426825 is a wasteful number, since it uses less digits than its factorization.

43274426825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24338 (or 24333 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 47.

The spelling of 43274426825 in words is "forty-three billion, two hundred seventy-four million, four hundred twenty-six thousand, eight hundred twenty-five".