45172775873 has 2 divisors, whose sum is σ = 45172775874. Its totient is φ = 45172775872.

The previous prime is 45172775797. The next prime is 45172775897. The reversal of 45172775873 is 37857727154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44507497024 + 665278849 = 210968^2 + 25793^2 .

It is a cyclic number.

It is not a de Polignac number, because 45172775873 - 2¹⁶ = 45172710337 is a prime.

It is not a weakly prime, because it can be changed into another prime (45172775273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22586387936 + 22586387937.

It is an arithmetic number, because the mean of its divisors is an integer number (22586387937).

Almost surely, 2^45172775873 is an apocalyptic number.

It is an amenable number.

45172775873 is a deficient number, since it is larger than the sum of its proper divisors (1).

45172775873 is an equidigital number, since it uses as much as digits as its factorization.

45172775873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11524800, while the sum is 56.

The spelling of 45172775873 in words is "forty-five billion, one hundred seventy-two million, seven hundred seventy-five thousand, eight hundred seventy-three".