2251275693 has 8 divisors (see below), whose sum is σ = 3082828128. Its totient is φ = 1460286864.

The previous prime is 2251275679. The next prime is 2251275727. The reversal of 2251275693 is 3965721522.

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

It is not a de Polignac number, because 2251275693 - 2¹⁸ = 2251013549 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251275193) 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 7 ways as a sum of consecutive naturals, for example, 10140771 + ... + 10140992.

It is an arithmetic number, because the mean of its divisors is an integer number (385353516).

Almost surely, 2^2251275693 is an apocalyptic number.

It is an amenable number.

2251275693 is a deficient number, since it is larger than the sum of its proper divisors (831552435).

2251275693 is a wasteful number, since it uses less digits than its factorization.

2251275693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20281803.

The product of its digits is 226800, while the sum is 42.

The square root of 2251275693 is about 47447.6099819580. The cubic root of 2251275693 is about 1310.6182993120.

The spelling of 2251275693 in words is "two billion, two hundred fifty-one million, two hundred seventy-five thousand, six hundred ninety-three".