244001447689 has 2 divisors, whose sum is σ = 244001447690. Its totient is φ = 244001447688.

The previous prime is 244001447659. The next prime is 244001447699. The reversal of 244001447689 is 986744100442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167990957689 + 76010490000 = 409867^2 + 275700^2 .

It is a cyclic number.

It is not a de Polignac number, because 244001447689 - 2¹¹ = 244001445641 is a prime.

It is not a weakly prime, because it can be changed into another prime (244001447659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122000723844 + 122000723845.

It is an arithmetic number, because the mean of its divisors is an integer number (122000723845).

Almost surely, 2^244001447689 is an apocalyptic number.

It is an amenable number.

244001447689 is a deficient number, since it is larger than the sum of its proper divisors (1).

244001447689 is an equidigital number, since it uses as much as digits as its factorization.

244001447689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 244001447689 in words is "two hundred forty-four billion, one million, four hundred forty-seven thousand, six hundred eighty-nine".