44381189 has 2 divisors, whose sum is σ = 44381190. Its totient is φ = 44381188.

The previous prime is 44381159. The next prime is 44381213. The reversal of 44381189 is 98118344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35796289 + 8584900 = 5983^2 + 2930^2 .

It is a cyclic number.

It is not a de Polignac number, because 44381189 - 2¹² = 44377093 is a prime.

It is a super-3 number, since 3×44381189³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44381149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22190594 + 22190595.

It is an arithmetic number, because the mean of its divisors is an integer number (22190595).

Almost surely, 2^44381189 is an apocalyptic number.

It is an amenable number.

44381189 is a deficient number, since it is larger than the sum of its proper divisors (1).

44381189 is an equidigital number, since it uses as much as digits as its factorization.

44381189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 44381189 is about 6661.9208191032. The cubic root of 44381189 is about 354.0513959232.

The spelling of 44381189 in words is "forty-four million, three hundred eighty-one thousand, one hundred eighty-nine".