44550431197 has 2 divisors, whose sum is σ = 44550431198. Its totient is φ = 44550431196.

The previous prime is 44550431147. The next prime is 44550431209. The reversal of 44550431197 is 79113405544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42308787481 + 2241643716 = 205691^2 + 47346^2 .

It is a cyclic number.

It is not a de Polignac number, because 44550431197 - 2¹⁵ = 44550398429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44550431147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22275215598 + 22275215599.

It is an arithmetic number, because the mean of its divisors is an integer number (22275215599).

Almost surely, 2^44550431197 is an apocalyptic number.

It is an amenable number.

44550431197 is a deficient number, since it is larger than the sum of its proper divisors (1).

44550431197 is an equidigital number, since it uses as much as digits as its factorization.

44550431197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 44550431197 in words is "forty-four billion, five hundred fifty million, four hundred thirty-one thousand, one hundred ninety-seven".