854234867533 has 4 divisors (see below), whose sum is σ = 854727791868. Its totient is φ = 853741943200.

The previous prime is 854234867527. The next prime is 854234867537. The reversal of 854234867533 is 335768432458.

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 557354819844 + 296880047689 = 746562^2 + 544867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854234867533 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 (854234867537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246459568 + ... + 246463033.

It is an arithmetic number, because the mean of its divisors is an integer number (213681947967).

Almost surely, 2^854234867533 is an apocalyptic number.

It is an amenable number.

854234867533 is a deficient number, since it is larger than the sum of its proper divisors (492924335).

854234867533 is a wasteful number, since it uses less digits than its factorization.

854234867533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492924334.

The product of its digits is 58060800, while the sum is 58.

The spelling of 854234867533 in words is "eight hundred fifty-four billion, two hundred thirty-four million, eight hundred sixty-seven thousand, five hundred thirty-three".