44889281132873 has 4 divisors (see below), whose sum is σ = 45033619657728. Its totient is φ = 44744942608020.

The previous prime is 44889281132867. The next prime is 44889281132887. The reversal of 44889281132873 is 37823118298844.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 44889281132873 - 2³⁸ = 44614403225929 is a prime.

It is a super-2 number, since 2×44889281132873² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44889281132863) 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, 72169261961 + ... + 72169262582.

It is an arithmetic number, because the mean of its divisors is an integer number (11258404914432).

Almost surely, 2^{44889281132873} is an apocalyptic number.

It is an amenable number.

44889281132873 is a deficient number, since it is larger than the sum of its proper divisors (144338524855).

44889281132873 is a wasteful number, since it uses less digits than its factorization.

44889281132873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144338524854.

The product of its digits is 148635648, while the sum is 68.

The spelling of 44889281132873 in words is "forty-four trillion, eight hundred eighty-nine billion, two hundred eighty-one million, one hundred thirty-two thousand, eight hundred seventy-three".