85954143353 has 4 divisors (see below), whose sum is σ = 92566000548. Its totient is φ = 79342286160.

The previous prime is 85954143281. The next prime is 85954143389. The reversal of 85954143353 is 35334145958.

It is a happy number.

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 20381274169 + 65572869184 = 142763^2 + 256072^2 .

It is a cyclic number.

It is not a de Polignac number, because 85954143353 - 2²² = 85949949049 is a prime.

It is a super-2 number, since 2×85954143353² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85954142353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305928578 + ... + 3305928603.

It is an arithmetic number, because the mean of its divisors is an integer number (23141500137).

Almost surely, 2^85954143353 is an apocalyptic number.

It is an amenable number.

85954143353 is a deficient number, since it is larger than the sum of its proper divisors (6611857195).

85954143353 is a wasteful number, since it uses less digits than its factorization.

85954143353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611857194.

The product of its digits is 3888000, while the sum is 50.

The spelling of 85954143353 in words is "eighty-five billion, nine hundred fifty-four million, one hundred forty-three thousand, three hundred fifty-three".