445129288117 has 2 divisors, whose sum is σ = 445129288118. Its totient is φ = 445129288116.

The previous prime is 445129288049. The next prime is 445129288127. The reversal of 445129288117 is 711882921544.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389693056516 + 55436231601 = 624254^2 + 235449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445129288117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445129288127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222564644058 + 222564644059.

It is an arithmetic number, because the mean of its divisors is an integer number (222564644059).

Almost surely, 2^445129288117 is an apocalyptic number.

It is an amenable number.

445129288117 is a deficient number, since it is larger than the sum of its proper divisors (1).

445129288117 is an equidigital number, since it uses as much as digits as its factorization.

445129288117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 52.

The spelling of 445129288117 in words is "four hundred forty-five billion, one hundred twenty-nine million, two hundred eighty-eight thousand, one hundred seventeen".