244148784989 has 2 divisors, whose sum is σ = 244148784990. Its totient is φ = 244148784988.

The previous prime is 244148784947. The next prime is 244148785043. The reversal of 244148784989 is 989487841442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228106536025 + 16042248964 = 477605^2 + 126658^2 .

It is a cyclic number.

It is not a de Polignac number, because 244148784989 - 2¹⁶ = 244148719453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244148786989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122074392494 + 122074392495.

It is an arithmetic number, because the mean of its divisors is an integer number (122074392495).

Almost surely, 2^244148784989 is an apocalyptic number.

It is an amenable number.

244148784989 is a deficient number, since it is larger than the sum of its proper divisors (1).

244148784989 is an equidigital number, since it uses as much as digits as its factorization.

244148784989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148635648, while the sum is 68.

The spelling of 244148784989 in words is "two hundred forty-four billion, one hundred forty-eight million, seven hundred eighty-four thousand, nine hundred eighty-nine".