244340261563 has 2 divisors, whose sum is σ = 244340261564. Its totient is φ = 244340261562.

The previous prime is 244340261491. The next prime is 244340261579. The reversal of 244340261563 is 365162043442.

244340261563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 244340261563 - 2⁹ = 244340261051 is a prime.

It is not a weakly prime, because it can be changed into another prime (244340261663) 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, 122170130781 + 122170130782.

It is an arithmetic number, because the mean of its divisors is an integer number (122170130782).

Almost surely, 2^244340261563 is an apocalyptic number.

244340261563 is a deficient number, since it is larger than the sum of its proper divisors (1).

244340261563 is an equidigital number, since it uses as much as digits as its factorization.

244340261563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 244340261563 in words is "two hundred forty-four billion, three hundred forty million, two hundred sixty-one thousand, five hundred sixty-three".