45064297273 has 2 divisors, whose sum is σ = 45064297274. Its totient is φ = 45064297272.

The previous prime is 45064297253. The next prime is 45064297277. The reversal of 45064297273 is 37279246054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32337749929 + 12726547344 = 179827^2 + 112812^2 .

It is a cyclic number.

It is not a de Polignac number, because 45064297273 - 2²¹ = 45062200121 is a prime.

It is not a weakly prime, because it can be changed into another prime (45064297277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22532148636 + 22532148637.

It is an arithmetic number, because the mean of its divisors is an integer number (22532148637).

Almost surely, 2^45064297273 is an apocalyptic number.

It is an amenable number.

45064297273 is a deficient number, since it is larger than the sum of its proper divisors (1).

45064297273 is an equidigital number, since it uses as much as digits as its factorization.

45064297273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 45064297273 in words is "forty-five billion, sixty-four million, two hundred ninety-seven thousand, two hundred seventy-three".