85432966243 has 4 divisors (see below), whose sum is σ = 86880982680. Its totient is φ = 83984949808.

The previous prime is 85432966207. The next prime is 85432966249. The reversal of 85432966243 is 34266923458.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85432966243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85432966249) 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, 724008130 + ... + 724008247.

It is an arithmetic number, because the mean of its divisors is an integer number (21720245670).

Almost surely, 2^85432966243 is an apocalyptic number.

85432966243 is a deficient number, since it is larger than the sum of its proper divisors (1448016437).

85432966243 is a wasteful number, since it uses less digits than its factorization.

85432966243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448016436.

The product of its digits is 7464960, while the sum is 52.

The spelling of 85432966243 in words is "eighty-five billion, four hundred thirty-two million, nine hundred sixty-six thousand, two hundred forty-three".