44388341857 has 2 divisors, whose sum is σ = 44388341858. Its totient is φ = 44388341856.

The previous prime is 44388341819. The next prime is 44388341863. The reversal of 44388341857 is 75814388344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42683973201 + 1704368656 = 206601^2 + 41284^2 .

It is a cyclic number.

It is not a de Polignac number, because 44388341857 - 2²⁷ = 44254124129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44388341798 and 44388341807.

It is not a weakly prime, because it can be changed into another prime (44388341807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22194170928 + 22194170929.

It is an arithmetic number, because the mean of its divisors is an integer number (22194170929).

Almost surely, 2^44388341857 is an apocalyptic number.

It is an amenable number.

44388341857 is a deficient number, since it is larger than the sum of its proper divisors (1).

44388341857 is an equidigital number, since it uses as much as digits as its factorization.

44388341857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10321920, while the sum is 55.

The spelling of 44388341857 in words is "forty-four billion, three hundred eighty-eight million, three hundred forty-one thousand, eight hundred fifty-seven".