2564383267 has 2 divisors, whose sum is σ = 2564383268. Its totient is φ = 2564383266.

The previous prime is 2564383249. The next prime is 2564383273. The reversal of 2564383267 is 7623834652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2564383267 - 2¹¹ = 2564381219 is a prime.

It is not a weakly prime, because it can be changed into another prime (2564383067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282191633 + 1282191634.

It is an arithmetic number, because the mean of its divisors is an integer number (1282191634).

Almost surely, 2^2564383267 is an apocalyptic number.

2564383267 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564383267 is an equidigital number, since it uses as much as digits as its factorization.

2564383267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 46.

The square root of 2564383267 is about 50639.7399973578. The cubic root of 2564383267 is about 1368.7610706082.

The spelling of 2564383267 in words is "two billion, five hundred sixty-four million, three hundred eighty-three thousand, two hundred sixty-seven".