44663505899 has 4 divisors (see below), whose sum is σ = 44665840680. Its totient is φ = 44661171120.

The previous prime is 44663505889. The next prime is 44663505911. The reversal of 44663505899 is 99850536644.

44663505899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44663505899 - 2¹⁶ = 44663440363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44663505889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138457 + ... + 1177034.

It is an arithmetic number, because the mean of its divisors is an integer number (11166460170).

Almost surely, 2^44663505899 is an apocalyptic number.

44663505899 is a deficient number, since it is larger than the sum of its proper divisors (2334781).

44663505899 is a wasteful number, since it uses less digits than its factorization.

44663505899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334780.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 44663505899 in words is "forty-four billion, six hundred sixty-three million, five hundred five thousand, eight hundred ninety-nine".