85451065383 has 4 divisors (see below), whose sum is σ = 113934753848. Its totient is φ = 56967376920.

The previous prime is 85451065373. The next prime is 85451065391. The reversal of 85451065383 is 38356015458.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85451065383 - 2¹⁰ = 85451064359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85451065333) 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 in 3 ways as a sum of consecutive naturals, for example, 14241844228 + ... + 14241844233.

It is an arithmetic number, because the mean of its divisors is an integer number (28483688462).

Almost surely, 2^85451065383 is an apocalyptic number.

85451065383 is a deficient number, since it is larger than the sum of its proper divisors (28483688465).

85451065383 is a wasteful number, since it uses less digits than its factorization.

85451065383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28483688464.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 85451065383 in words is "eighty-five billion, four hundred fifty-one million, sixty-five thousand, three hundred eighty-three".