44189699 has 2 divisors, whose sum is σ = 44189700. Its totient is φ = 44189698.

The previous prime is 44189671. The next prime is 44189701. The reversal of 44189699 is 99698144.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44189699 is a prime.

It is a Sophie Germain prime.

Together with 44189701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44189659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22094849 + 22094850.

It is an arithmetic number, because the mean of its divisors is an integer number (22094850).

Almost surely, 2^44189699 is an apocalyptic number.

44189699 is a deficient number, since it is larger than the sum of its proper divisors (1).

44189699 is an equidigital number, since it uses as much as digits as its factorization.

44189699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 44189699 is about 6647.5333019098. The cubic root of 44189699 is about 353.5414573261.

The spelling of 44189699 in words is "forty-four million, one hundred eighty-nine thousand, six hundred ninety-nine".