85348915573 has 2 divisors, whose sum is σ = 85348915574. Its totient is φ = 85348915572.

The previous prime is 85348915493. The next prime is 85348915601. The reversal of 85348915573 is 37551984358.

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., 74420931204 + 10927984369 = 272802^2 + 104537^2 .

It is a cyclic number.

It is not a de Polignac number, because 85348915573 - 2¹³ = 85348907381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85348915373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42674457786 + 42674457787.

It is an arithmetic number, because the mean of its divisors is an integer number (42674457787).

Almost surely, 2^85348915573 is an apocalyptic number.

It is an amenable number.

85348915573 is a deficient number, since it is larger than the sum of its proper divisors (1).

85348915573 is an equidigital number, since it uses as much as digits as its factorization.

85348915573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144000, while the sum is 58.

The spelling of 85348915573 in words is "eighty-five billion, three hundred forty-eight million, nine hundred fifteen thousand, five hundred seventy-three".