2251927697 has 8 divisors (see below), whose sum is σ = 2279958240. Its totient is φ = 2223918720.

The previous prime is 2251927681. The next prime is 2251927721. The reversal of 2251927697 is 7967291522.

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

It is a cyclic number.

It is not a de Polignac number, because 2251927697 - 2⁴ = 2251927681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2251927897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339422 + ... + 345992.

It is an arithmetic number, because the mean of its divisors is an integer number (284994780).

Almost surely, 2^2251927697 is an apocalyptic number.

It is an amenable number.

2251927697 is a deficient number, since it is larger than the sum of its proper divisors (28030543).

2251927697 is an equidigital number, since it uses as much as digits as its factorization.

2251927697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783.

The product of its digits is 952560, while the sum is 50.

The square root of 2251927697 is about 47454.4802626686. The cubic root of 2251927697 is about 1310.7448121590.

The spelling of 2251927697 in words is "two billion, two hundred fifty-one million, nine hundred twenty-seven thousand, six hundred ninety-seven".