2251913663 has 2 divisors, whose sum is σ = 2251913664. Its totient is φ = 2251913662.

The previous prime is 2251913641. The next prime is 2251913683. The reversal of 2251913663 is 3663191522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2251913663 - 2¹⁴ = 2251897279 is a prime.

It is a super-2 number, since 2×2251913663² = 10142230291212155138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251913633) 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 as a sum of consecutive naturals, namely, 1125956831 + 1125956832.

It is an arithmetic number, because the mean of its divisors is an integer number (1125956832).

Almost surely, 2^2251913663 is an apocalyptic number.

2251913663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251913663 is an equidigital number, since it uses as much as digits as its factorization.

2251913663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 2251913663 is about 47454.3323944190. The cubic root of 2251913663 is about 1310.7420893021.

The spelling of 2251913663 in words is "two billion, two hundred fifty-one million, nine hundred thirteen thousand, six hundred sixty-three".