44219189939 has 2 divisors, whose sum is σ = 44219189940. Its totient is φ = 44219189938.

The previous prime is 44219189863. The next prime is 44219189969. The reversal of 44219189939 is 93998191244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44219189939 - 2⁸ = 44219189683 is a prime.

It is a super-2 number, since 2×44219189939² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44219189969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22109594969 + 22109594970.

It is an arithmetic number, because the mean of its divisors is an integer number (22109594970).

Almost surely, 2^44219189939 is an apocalyptic number.

44219189939 is a deficient number, since it is larger than the sum of its proper divisors (1).

44219189939 is an equidigital number, since it uses as much as digits as its factorization.

44219189939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 59.

The spelling of 44219189939 in words is "forty-four billion, two hundred nineteen million, one hundred eighty-nine thousand, nine hundred thirty-nine".