973271785273 has 2 divisors, whose sum is σ = 973271785274. Its totient is φ = 973271785272.

The previous prime is 973271785261. The next prime is 973271785289. The reversal of 973271785273 is 372587172379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 919042416889 + 54229368384 = 958667^2 + 232872^2 .

It is an emirp because it is prime and its reverse (372587172379) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 973271785273 - 2³³ = 964681850681 is a prime.

It is not a weakly prime, because it can be changed into another prime (973271785573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486635892636 + 486635892637.

It is an arithmetic number, because the mean of its divisors is an integer number (486635892637).

Almost surely, 2^973271785273 is an apocalyptic number.

It is an amenable number.

973271785273 is a deficient number, since it is larger than the sum of its proper divisors (1).

973271785273 is an equidigital number, since it uses as much as digits as its factorization.

973271785273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31116960, while the sum is 61.

The spelling of 973271785273 in words is "nine hundred seventy-three billion, two hundred seventy-one million, seven hundred eighty-five thousand, two hundred seventy-three".