944813285197 has 2 divisors, whose sum is σ = 944813285198. Its totient is φ = 944813285196.

The previous prime is 944813285177. The next prime is 944813285231. The reversal of 944813285197 is 791582318449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 511044835876 + 433768449321 = 714874^2 + 658611^2 .

It is a cyclic number.

It is not a de Polignac number, because 944813285197 - 2³¹ = 942665801549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944813285107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472406642598 + 472406642599.

It is an arithmetic number, because the mean of its divisors is an integer number (472406642599).

Almost surely, 2^944813285197 is an apocalyptic number.

It is an amenable number.

944813285197 is a deficient number, since it is larger than the sum of its proper divisors (1).

944813285197 is an equidigital number, since it uses as much as digits as its factorization.

944813285197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17418240, while the sum is 61.

The spelling of 944813285197 in words is "nine hundred forty-four billion, eight hundred thirteen million, two hundred eighty-five thousand, one hundred ninety-seven".