2250918393 has 4 divisors (see below), whose sum is σ = 3001224528. Its totient is φ = 1500612260.

The previous prime is 2250918389. The next prime is 2250918403. The reversal of 2250918393 is 3938190522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2250918393 - 2² = 2250918389 is a prime.

It is a super-3 number, since 3×2250918393³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2250918493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375153063 + ... + 375153068.

It is an arithmetic number, because the mean of its divisors is an integer number (750306132).

Almost surely, 2^2250918393 is an apocalyptic number.

It is an amenable number.

2250918393 is a deficient number, since it is larger than the sum of its proper divisors (750306135).

2250918393 is an equidigital number, since it uses as much as digits as its factorization.

2250918393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750306134.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 2250918393 is about 47443.8446270957. The cubic root of 2250918393 is about 1310.5489595601.

The spelling of 2250918393 in words is "two billion, two hundred fifty million, nine hundred eighteen thousand, three hundred ninety-three".