244000198957 has 2 divisors, whose sum is σ = 244000198958. Its totient is φ = 244000198956.

The previous prime is 244000198951. The next prime is 244000198999. The reversal of 244000198957 is 759891000442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 236799997641 + 7200201316 = 486621^2 + 84854^2 .

It is a cyclic number.

It is not a de Polignac number, because 244000198957 - 2⁷ = 244000198829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244000198957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244000198951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122000099478 + 122000099479.

It is an arithmetic number, because the mean of its divisors is an integer number (122000099479).

Almost surely, 2^244000198957 is an apocalyptic number.

It is an amenable number.

244000198957 is a deficient number, since it is larger than the sum of its proper divisors (1).

244000198957 is an equidigital number, since it uses as much as digits as its factorization.

244000198957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 244000198957 in words is "two hundred forty-four billion, one hundred ninety-eight thousand, nine hundred fifty-seven".