44252164309 has 2 divisors, whose sum is σ = 44252164310. Its totient is φ = 44252164308.

The previous prime is 44252164277. The next prime is 44252164349. The reversal of 44252164309 is 90346125244.

It is a happy number.

It is an a-pointer prime, because the next prime (44252164349) can be obtained adding 44252164309 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42664141809 + 1588022500 = 206553^2 + 39850^2 .

It is a cyclic number.

It is not a de Polignac number, because 44252164309 - 2⁵ = 44252164277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44252164349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22126082154 + 22126082155.

It is an arithmetic number, because the mean of its divisors is an integer number (22126082155).

Almost surely, 2^44252164309 is an apocalyptic number.

It is an amenable number.

44252164309 is a deficient number, since it is larger than the sum of its proper divisors (1).

44252164309 is an equidigital number, since it uses as much as digits as its factorization.

44252164309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 44252164309 in words is "forty-four billion, two hundred fifty-two million, one hundred sixty-four thousand, three hundred nine".