2251726239 has 16 divisors (see below), whose sum is σ = 3431957760. Its totient is φ = 1286417280.

The previous prime is 2251726231. The next prime is 2251726249. The reversal of 2251726239 is 9326271522.

It is not a de Polignac number, because 2251726239 - 2³ = 2251726231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2251726197 and 2251726206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251726231) 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, 120007 + ... + 137495.

It is an arithmetic number, because the mean of its divisors is an integer number (214497360).

Almost surely, 2^2251726239 is an apocalyptic number.

2251726239 is a deficient number, since it is larger than the sum of its proper divisors (1180231521).

2251726239 is a wasteful number, since it uses less digits than its factorization.

2251726239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23630.

The product of its digits is 90720, while the sum is 39.

The square root of 2251726239 is about 47452.3575705149. The cubic root of 2251726239 is about 1310.7057244768.

The spelling of 2251726239 in words is "two billion, two hundred fifty-one million, seven hundred twenty-six thousand, two hundred thirty-nine".