2516444243 has 2 divisors, whose sum is σ = 2516444244. Its totient is φ = 2516444242.

The previous prime is 2516444239. The next prime is 2516444257. The reversal of 2516444243 is 3424446152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2516444243 - 2² = 2516444239 is a prime.

It is not a weakly prime, because it can be changed into another prime (2516444233) 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, 1258222121 + 1258222122.

It is an arithmetic number, because the mean of its divisors is an integer number (1258222122).

Almost surely, 2^2516444243 is an apocalyptic number.

2516444243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516444243 is an equidigital number, since it uses as much as digits as its factorization.

2516444243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 35.

The square root of 2516444243 is about 50164.1729025806. The cubic root of 2516444243 is about 1360.1780769917.

The spelling of 2516444243 in words is "two billion, five hundred sixteen million, four hundred forty-four thousand, two hundred forty-three".