244238239897 has 2 divisors, whose sum is σ = 244238239898. Its totient is φ = 244238239896.

The previous prime is 244238239787. The next prime is 244238239901. The reversal of 244238239897 is 798932832442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125670959001 + 118567280896 = 354501^2 + 344336^2 .

It is a cyclic number.

It is not a de Polignac number, because 244238239897 - 2¹¹ = 244238237849 is a prime.

It is not a weakly prime, because it can be changed into another prime (244238339897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122119119948 + 122119119949.

It is an arithmetic number, because the mean of its divisors is an integer number (122119119949).

Almost surely, 2^244238239897 is an apocalyptic number.

It is an amenable number.

244238239897 is a deficient number, since it is larger than the sum of its proper divisors (1).

244238239897 is an equidigital number, since it uses as much as digits as its factorization.

244238239897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 61.

The spelling of 244238239897 in words is "two hundred forty-four billion, two hundred thirty-eight million, two hundred thirty-nine thousand, eight hundred ninety-seven".