44347145837 has 2 divisors, whose sum is σ = 44347145838. Its totient is φ = 44347145836.

The previous prime is 44347145819. The next prime is 44347145873. The reversal of 44347145837 is 73854174344.

Together with next prime (44347145873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28558972036 + 15788173801 = 168994^2 + 125651^2 .

It is a cyclic number.

It is not a de Polignac number, because 44347145837 - 2²⁶ = 44280036973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44347147837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22173572918 + 22173572919.

It is an arithmetic number, because the mean of its divisors is an integer number (22173572919).

Almost surely, 2^44347145837 is an apocalyptic number.

It is an amenable number.

44347145837 is a deficient number, since it is larger than the sum of its proper divisors (1).

44347145837 is an equidigital number, since it uses as much as digits as its factorization.

44347145837 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 44347145837 in words is "forty-four billion, three hundred forty-seven million, one hundred forty-five thousand, eight hundred thirty-seven".