225490291963 has 2 divisors, whose sum is σ = 225490291964. Its totient is φ = 225490291962.

The previous prime is 225490291937. The next prime is 225490291973. The reversal of 225490291963 is 369192094522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225490291963 - 2²⁵ = 225456737531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225490291963.

It is not a weakly prime, because it can be changed into another prime (225490291913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112745145981 + 112745145982.

It is an arithmetic number, because the mean of its divisors is an integer number (112745145982).

Almost surely, 2^225490291963 is an apocalyptic number.

225490291963 is a deficient number, since it is larger than the sum of its proper divisors (1).

225490291963 is an equidigital number, since it uses as much as digits as its factorization.

225490291963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 225490291963 in words is "two hundred twenty-five billion, four hundred ninety million, two hundred ninety-one thousand, nine hundred sixty-three".