9872955548273 has 2 divisors, whose sum is σ = 9872955548274. Its totient is φ = 9872955548272.

The previous prime is 9872955548251. The next prime is 9872955548279. The reversal of 9872955548273 is 3728455592789.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8930128142224 + 942827406049 = 2988332^2 + 970993^2 .

It is a cyclic number.

It is not a de Polignac number, because 9872955548273 - 2⁴⁰ = 8773443920497 is a prime.

It is a super-2 number, since 2×9872955548273² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9872955548273.

It is not a weakly prime, because it can be changed into another prime (9872955548279) 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, 4936477774136 + 4936477774137.

It is an arithmetic number, because the mean of its divisors is an integer number (4936477774137).

Almost surely, 2^{9872955548273} is an apocalyptic number.

It is an amenable number.

9872955548273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9872955548273 is an equidigital number, since it uses as much as digits as its factorization.

9872955548273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096000, while the sum is 74.

The spelling of 9872955548273 in words is "nine trillion, eight hundred seventy-two billion, nine hundred fifty-five million, five hundred forty-eight thousand, two hundred seventy-three".