45345207673 has 2 divisors, whose sum is σ = 45345207674. Its totient is φ = 45345207672.

The previous prime is 45345207647. The next prime is 45345207683. The reversal of 45345207673 is 37670254354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36057452544 + 9287755129 = 189888^2 + 96373^2 .

It is a cyclic number.

It is not a de Polignac number, because 45345207673 - 2⁹ = 45345207161 is a prime.

It is not a weakly prime, because it can be changed into another prime (45345207683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22672603836 + 22672603837.

It is an arithmetic number, because the mean of its divisors is an integer number (22672603837).

Almost surely, 2^45345207673 is an apocalyptic number.

It is an amenable number.

45345207673 is a deficient number, since it is larger than the sum of its proper divisors (1).

45345207673 is an equidigital number, since it uses as much as digits as its factorization.

45345207673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 46.

The spelling of 45345207673 in words is "forty-five billion, three hundred forty-five million, two hundred seven thousand, six hundred seventy-three".