44134643197 has 2 divisors, whose sum is σ = 44134643198. Its totient is φ = 44134643196.

The previous prime is 44134643129. The next prime is 44134643219. The reversal of 44134643197 is 79134643144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24509154916 + 19625488281 = 156554^2 + 140091^2 .

It is a cyclic number.

It is not a de Polignac number, because 44134643197 - 2¹¹ = 44134641149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44134643117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22067321598 + 22067321599.

It is an arithmetic number, because the mean of its divisors is an integer number (22067321599).

Almost surely, 2^44134643197 is an apocalyptic number.

It is an amenable number.

44134643197 is a deficient number, since it is larger than the sum of its proper divisors (1).

44134643197 is an equidigital number, since it uses as much as digits as its factorization.

44134643197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The spelling of 44134643197 in words is "forty-four billion, one hundred thirty-four million, six hundred forty-three thousand, one hundred ninety-seven".