244145444197 has 2 divisors, whose sum is σ = 244145444198. Its totient is φ = 244145444196.

The previous prime is 244145444141. The next prime is 244145444233. The reversal of 244145444197 is 791444541442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157512940641 + 86632503556 = 396879^2 + 294334^2 .

It is a cyclic number.

It is not a de Polignac number, because 244145444197 - 2³¹ = 241997960549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244145444197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244145454197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122072722098 + 122072722099.

It is an arithmetic number, because the mean of its divisors is an integer number (122072722099).

Almost surely, 2^244145444197 is an apocalyptic number.

It is an amenable number.

244145444197 is a deficient number, since it is larger than the sum of its proper divisors (1).

244145444197 is an equidigital number, since it uses as much as digits as its factorization.

244145444197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 49.

The spelling of 244145444197 in words is "two hundred forty-four billion, one hundred forty-five million, four hundred forty-four thousand, one hundred ninety-seven".