244689133369 has 2 divisors, whose sum is σ = 244689133370. Its totient is φ = 244689133368.

The previous prime is 244689133277. The next prime is 244689133399. The reversal of 244689133369 is 963331986442.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129248878144 + 115440255225 = 359512^2 + 339765^2 .

It is a cyclic number.

It is not a de Polignac number, because 244689133369 - 2²³ = 244680744761 is a prime.

It is a super-2 number, since 2×244689133369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (244689133399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122344566684 + 122344566685.

It is an arithmetic number, because the mean of its divisors is an integer number (122344566685).

Almost surely, 2^244689133369 is an apocalyptic number.

It is an amenable number.

244689133369 is a deficient number, since it is larger than the sum of its proper divisors (1).

244689133369 is an equidigital number, since it uses as much as digits as its factorization.

244689133369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20155392, while the sum is 58.

The spelling of 244689133369 in words is "two hundred forty-four billion, six hundred eighty-nine million, one hundred thirty-three thousand, three hundred sixty-nine".