44161464577 has 2 divisors, whose sum is σ = 44161464578. Its totient is φ = 44161464576.

The previous prime is 44161464527. The next prime is 44161464643. The reversal of 44161464577 is 77546416144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32989820161 + 11171644416 = 181631^2 + 105696^2 .

It is a cyclic number.

It is not a de Polignac number, because 44161464577 - 2¹¹ = 44161462529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44161464577.

It is not a weakly prime, because it can be changed into another prime (44161464527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22080732288 + 22080732289.

It is an arithmetic number, because the mean of its divisors is an integer number (22080732289).

Almost surely, 2^44161464577 is an apocalyptic number.

It is an amenable number.

44161464577 is a deficient number, since it is larger than the sum of its proper divisors (1).

44161464577 is an equidigital number, since it uses as much as digits as its factorization.

44161464577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 49.

The spelling of 44161464577 in words is "forty-four billion, one hundred sixty-one million, four hundred sixty-four thousand, five hundred seventy-seven".