99444619 has 2 divisors, whose sum is σ = 99444620. Its totient is φ = 99444618.

The previous prime is 99444607. The next prime is 99444629. The reversal of 99444619 is 91644499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99444619 - 2⁷ = 99444491 is a prime.

It is a super-2 number, since 2×99444619² = 19778464496110322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99444629) 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, 49722309 + 49722310.

It is an arithmetic number, because the mean of its divisors is an integer number (49722310).

Almost surely, 2^99444619 is an apocalyptic number.

99444619 is a deficient number, since it is larger than the sum of its proper divisors (1).

99444619 is an equidigital number, since it uses as much as digits as its factorization.

99444619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 99444619 is about 9972.1922865536. The cubic root of 99444619 is about 463.2980042532.

The spelling of 99444619 in words is "ninety-nine million, four hundred forty-four thousand, six hundred nineteen".