44394577859 has 2 divisors, whose sum is σ = 44394577860. Its totient is φ = 44394577858.

The previous prime is 44394577853. The next prime is 44394577979. The reversal of 44394577859 is 95877549344.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44394577859 - 2¹² = 44394573763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44394577795 and 44394577804.

It is not a weakly prime, because it can be changed into another prime (44394577853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22197288929 + 22197288930.

It is an arithmetic number, because the mean of its divisors is an integer number (22197288930).

Almost surely, 2^44394577859 is an apocalyptic number.

44394577859 is a deficient number, since it is larger than the sum of its proper divisors (1).

44394577859 is an equidigital number, since it uses as much as digits as its factorization.

44394577859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152409600, while the sum is 65.

The spelling of 44394577859 in words is "forty-four billion, three hundred ninety-four million, five hundred seventy-seven thousand, eight hundred fifty-nine".