99444533 has 4 divisors (see below), whose sum is σ = 99571680. Its totient is φ = 99317388.

The previous prime is 99444491. The next prime is 99444539. The reversal of 99444533 is 33544499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33544499 = 151 ⋅222149.

It is a cyclic number.

It is not a de Polignac number, because 99444533 - 2¹² = 99440437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99444539) 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 in 3 ways as a sum of consecutive naturals, for example, 62393 + ... + 63966.

It is an arithmetic number, because the mean of its divisors is an integer number (24892920).

Almost surely, 2^99444533 is an apocalyptic number.

It is an amenable number.

99444533 is a deficient number, since it is larger than the sum of its proper divisors (127147).

99444533 is a wasteful number, since it uses less digits than its factorization.

99444533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127146.

The product of its digits is 233280, while the sum is 41.

The square root of 99444533 is about 9972.1879745621. The cubic root of 99444533 is about 463.2978706993.

The spelling of 99444533 in words is "ninety-nine million, four hundred forty-four thousand, five hundred thirty-three".