244121541197 has 2 divisors, whose sum is σ = 244121541198. Its totient is φ = 244121541196.

The previous prime is 244121541179. The next prime is 244121541227. The reversal of 244121541197 is 791145121442.

Together with previous prime (244121541179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213648252841 + 30473288356 = 462221^2 + 174566^2 .

It is a cyclic number.

It is not a de Polignac number, because 244121541197 - 2²⁰ = 244120492621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244129541197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122060770598 + 122060770599.

It is an arithmetic number, because the mean of its divisors is an integer number (122060770599).

Almost surely, 2^244121541197 is an apocalyptic number.

It is an amenable number.

244121541197 is a deficient number, since it is larger than the sum of its proper divisors (1).

244121541197 is an equidigital number, since it uses as much as digits as its factorization.

244121541197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The spelling of 244121541197 in words is "two hundred forty-four billion, one hundred twenty-one million, five hundred forty-one thousand, one hundred ninety-seven".