2544246643 has 2 divisors, whose sum is σ = 2544246644. Its totient is φ = 2544246642.

The previous prime is 2544246619. The next prime is 2544246667. The reversal of 2544246643 is 3466424452.

It is a balanced prime because it is at equal distance from previous prime (2544246619) and next prime (2544246667).

It is a cyclic number.

It is not a de Polignac number, because 2544246643 - 2²⁵ = 2510692211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2544246596 and 2544246605.

It is not a weakly prime, because it can be changed into another prime (2544246613) 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, 1272123321 + 1272123322.

It is an arithmetic number, because the mean of its divisors is an integer number (1272123322).

Almost surely, 2^2544246643 is an apocalyptic number.

2544246643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544246643 is an equidigital number, since it uses as much as digits as its factorization.

2544246643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 40.

The square root of 2544246643 is about 50440.5258001936. The cubic root of 2544246643 is about 1365.1689545637.

The spelling of 2544246643 in words is "two billion, five hundred forty-four million, two hundred forty-six thousand, six hundred forty-three".