244827143389 has 2 divisors, whose sum is σ = 244827143390. Its totient is φ = 244827143388.

The previous prime is 244827143357. The next prime is 244827143443. The reversal of 244827143389 is 983341728442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223665622489 + 21161520900 = 472933^2 + 145470^2 .

It is a cyclic number.

It is not a de Polignac number, because 244827143389 - 2⁵ = 244827143357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244827143189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122413571694 + 122413571695.

It is an arithmetic number, because the mean of its divisors is an integer number (122413571695).

Almost surely, 2^244827143389 is an apocalyptic number.

It is an amenable number.

244827143389 is a deficient number, since it is larger than the sum of its proper divisors (1).

244827143389 is an equidigital number, since it uses as much as digits as its factorization.

244827143389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 55.

The spelling of 244827143389 in words is "two hundred forty-four billion, eight hundred twenty-seven million, one hundred forty-three thousand, three hundred eighty-nine".