2125731443 has 8 divisors (see below), whose sum is σ = 2340653760. Its totient is φ = 1914421480.

The previous prime is 2125731431. The next prime is 2125731449. The reversal of 2125731443 is 3441375212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125731443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125731449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901853 + ... + 904206.

It is an arithmetic number, because the mean of its divisors is an integer number (292581720).

Almost surely, 2^2125731443 is an apocalyptic number.

2125731443 is a deficient number, since it is larger than the sum of its proper divisors (214922317).

2125731443 is a wasteful number, since it uses less digits than its factorization.

2125731443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806177.

The product of its digits is 20160, while the sum is 32.

The square root of 2125731443 is about 46105.6552171206. The cubic root of 2125731443 is about 1285.7882878916.

The spelling of 2125731443 in words is "two billion, one hundred twenty-five million, seven hundred thirty-one thousand, four hundred forty-three".