444526132136617 has 2 divisors, whose sum is σ = 444526132136618. Its totient is φ = 444526132136616.

The previous prime is 444526132136503. The next prime is 444526132136621. The reversal of 444526132136617 is 716631231625444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444234406843161 + 291725293456 = 21076869^2 + 540116^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444526132136617 is a prime.

It is not a weakly prime, because it can be changed into another prime (444526132136627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222263066068308 + 222263066068309.

It is an arithmetic number, because the mean of its divisors is an integer number (222263066068309).

Almost surely, 2^{444526132136617} is an apocalyptic number.

It is an amenable number.

444526132136617 is a deficient number, since it is larger than the sum of its proper divisors (1).

444526132136617 is an equidigital number, since it uses as much as digits as its factorization.

444526132136617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 55.

The spelling of 444526132136617 in words is "four hundred forty-four trillion, five hundred twenty-six billion, one hundred thirty-two million, one hundred thirty-six thousand, six hundred seventeen".