44399812229 has 2 divisors, whose sum is σ = 44399812230. Its totient is φ = 44399812228.

The previous prime is 44399812211. The next prime is 44399812253. The reversal of 44399812229 is 92221899344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41675181025 + 2724631204 = 204145^2 + 52198^2 .

It is a cyclic number.

It is not a de Polignac number, because 44399812229 - 2³² = 40104844933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44399811229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22199906114 + 22199906115.

It is an arithmetic number, because the mean of its divisors is an integer number (22199906115).

Almost surely, 2^44399812229 is an apocalyptic number.

It is an amenable number.

44399812229 is a deficient number, since it is larger than the sum of its proper divisors (1).

44399812229 is an equidigital number, since it uses as much as digits as its factorization.

44399812229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 53.

The spelling of 44399812229 in words is "forty-four billion, three hundred ninety-nine million, eight hundred twelve thousand, two hundred twenty-nine".