85413485273 has 2 divisors, whose sum is σ = 85413485274. Its totient is φ = 85413485272.

The previous prime is 85413485243. The next prime is 85413485309. The reversal of 85413485273 is 37258431458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85411816009 + 1669264 = 292253^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 85413485273 - 2¹⁰ = 85413484249 is a prime.

It is not a weakly prime, because it can be changed into another prime (85413485243) 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, 42706742636 + 42706742637.

It is an arithmetic number, because the mean of its divisors is an integer number (42706742637).

Almost surely, 2^85413485273 is an apocalyptic number.

It is an amenable number.

85413485273 is a deficient number, since it is larger than the sum of its proper divisors (1).

85413485273 is an equidigital number, since it uses as much as digits as its factorization.

85413485273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 50.

The spelling of 85413485273 in words is "eighty-five billion, four hundred thirteen million, four hundred eighty-five thousand, two hundred seventy-three".