44689199 has 2 divisors, whose sum is σ = 44689200. Its totient is φ = 44689198.

The previous prime is 44689181. The next prime is 44689247. The reversal of 44689199 is 99198644.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44689199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44689399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22344599 + 22344600.

It is an arithmetic number, because the mean of its divisors is an integer number (22344600).

Almost surely, 2^44689199 is an apocalyptic number.

44689199 is a deficient number, since it is larger than the sum of its proper divisors (1).

44689199 is an equidigital number, since it uses as much as digits as its factorization.

44689199 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 44689199 is about 6684.9980553475. The cubic root of 44689199 is about 354.8685594199.

The spelling of 44689199 in words is "forty-four million, six hundred eighty-nine thousand, one hundred ninety-nine".