44199533449 has 2 divisors, whose sum is σ = 44199533450. Its totient is φ = 44199533448.

The previous prime is 44199533437. The next prime is 44199533473. The reversal of 44199533449 is 94433599144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40052817424 + 4146716025 = 200132^2 + 64395^2 .

It is a cyclic number.

It is not a de Polignac number, because 44199533449 - 2¹⁹ = 44199009161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44199533449.

It is not a weakly prime, because it can be changed into another prime (44199531449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22099766724 + 22099766725.

It is an arithmetic number, because the mean of its divisors is an integer number (22099766725).

Almost surely, 2^44199533449 is an apocalyptic number.

It is an amenable number.

44199533449 is a deficient number, since it is larger than the sum of its proper divisors (1).

44199533449 is an equidigital number, since it uses as much as digits as its factorization.

44199533449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 55.

The spelling of 44199533449 in words is "forty-four billion, one hundred ninety-nine million, five hundred thirty-three thousand, four hundred forty-nine".