44347145873 has 2 divisors, whose sum is σ = 44347145874. Its totient is φ = 44347145872.

The previous prime is 44347145837. The next prime is 44347145891. The reversal of 44347145873 is 37854174344.

Together with previous prime (44347145837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37253632144 + 7093513729 = 193012^2 + 84223^2 .

It is a cyclic number.

It is not a de Polignac number, because 44347145873 - 2³⁰ = 43273404049 is a prime.

It is a super-2 number, since 2×44347145873² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44347145813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22173572936 + 22173572937.

It is an arithmetic number, because the mean of its divisors is an integer number (22173572937).

Almost surely, 2^44347145873 is an apocalyptic number.

It is an amenable number.

44347145873 is a deficient number, since it is larger than the sum of its proper divisors (1).

44347145873 is an equidigital number, since it uses as much as digits as its factorization.

44347145873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 50.

The spelling of 44347145873 in words is "forty-four billion, three hundred forty-seven million, one hundred forty-five thousand, eight hundred seventy-three".