85451806303 has 2 divisors, whose sum is σ = 85451806304. Its totient is φ = 85451806302.

The previous prime is 85451806301. The next prime is 85451806313. The reversal of 85451806303 is 30360815458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85451806303 - 2¹ = 85451806301 is a prime.

It is a super-3 number, since 3×85451806303³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 85451806301, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85451806303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85451806301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42725903151 + 42725903152.

It is an arithmetic number, because the mean of its divisors is an integer number (42725903152).

Almost surely, 2^85451806303 is an apocalyptic number.

85451806303 is a deficient number, since it is larger than the sum of its proper divisors (1).

85451806303 is an equidigital number, since it uses as much as digits as its factorization.

85451806303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 85451806303 in words is "eighty-five billion, four hundred fifty-one million, eight hundred six thousand, three hundred three".