85913242433 has 4 divisors (see below), whose sum is σ = 86040900228. Its totient is φ = 85785584640.

The previous prime is 85913242421. The next prime is 85913242439. The reversal of 85913242433 is 33424231958.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57471431824 + 28441810609 = 239732^2 + 168647^2 .

It is a cyclic number.

It is not a de Polignac number, because 85913242433 - 2¹⁰ = 85913241409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85913242439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63827888 + ... + 63829233.

It is an arithmetic number, because the mean of its divisors is an integer number (21510225057).

Almost surely, 2^85913242433 is an apocalyptic number.

It is an amenable number.

85913242433 is a deficient number, since it is larger than the sum of its proper divisors (127657795).

85913242433 is a wasteful number, since it uses less digits than its factorization.

85913242433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127657794.

The product of its digits is 622080, while the sum is 44.

The spelling of 85913242433 in words is "eighty-five billion, nine hundred thirteen million, two hundred forty-two thousand, four hundred thirty-three".