2225451564643 has 2 divisors, whose sum is σ = 2225451564644. Its totient is φ = 2225451564642.

The previous prime is 2225451564641. The next prime is 2225451564647. The reversal of 2225451564643 is 3464651545222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2225451564643 - 2¹ = 2225451564641 is a prime.

Together with 2225451564641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2225451564641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112725782321 + 1112725782322.

It is an arithmetic number, because the mean of its divisors is an integer number (1112725782322).

Almost surely, 2^{2225451564643} is an apocalyptic number.

2225451564643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225451564643 is an equidigital number, since it uses as much as digits as its factorization.

2225451564643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912000, while the sum is 49.

The spelling of 2225451564643 in words is "two trillion, two hundred twenty-five billion, four hundred fifty-one million, five hundred sixty-four thousand, six hundred forty-three".