45281712017 has 2 divisors, whose sum is σ = 45281712018. Its totient is φ = 45281712016.

The previous prime is 45281711957. The next prime is 45281712037. The reversal of 45281712017 is 71021718254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26464457041 + 18817254976 = 162679^2 + 137176^2 .

It is a cyclic number.

It is not a de Polignac number, because 45281712017 - 2²² = 45277517713 is a prime.

It is not a weakly prime, because it can be changed into another prime (45281712037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22640856008 + 22640856009.

It is an arithmetic number, because the mean of its divisors is an integer number (22640856009).

Almost surely, 2^45281712017 is an apocalyptic number.

It is an amenable number.

45281712017 is a deficient number, since it is larger than the sum of its proper divisors (1).

45281712017 is an equidigital number, since it uses as much as digits as its factorization.

45281712017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 38.

The spelling of 45281712017 in words is "forty-five billion, two hundred eighty-one million, seven hundred twelve thousand, seventeen".