44889919229 has 2 divisors, whose sum is σ = 44889919230. Its totient is φ = 44889919228.

The previous prime is 44889919199. The next prime is 44889919231. The reversal of 44889919229 is 92291998844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43920842329 + 969076900 = 209573^2 + 31130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44889919229 is a prime.

It is a super-2 number, since 2×44889919229² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 44889919231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44889919729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22444959614 + 22444959615.

It is an arithmetic number, because the mean of its divisors is an integer number (22444959615).

Almost surely, 2^44889919229 is an apocalyptic number.

It is an amenable number.

44889919229 is a deficient number, since it is larger than the sum of its proper divisors (1).

44889919229 is an equidigital number, since it uses as much as digits as its factorization.

44889919229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26873856, while the sum is 65.

The spelling of 44889919229 in words is "forty-four billion, eight hundred eighty-nine million, nine hundred nineteen thousand, two hundred twenty-nine".