854421433 has 4 divisors (see below), whose sum is σ = 854492560. Its totient is φ = 854350308.

The previous prime is 854421409. The next prime is 854421443. The reversal of 854421433 is 334124458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 854421433 - 2²⁵ = 820867001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854421443) 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, 12603 + ... + 43216.

It is an arithmetic number, because the mean of its divisors is an integer number (213623140).

Almost surely, 2^854421433 is an apocalyptic number.

It is an amenable number.

854421433 is a deficient number, since it is larger than the sum of its proper divisors (71127).

854421433 is a wasteful number, since it uses less digits than its factorization.

854421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71126.

The product of its digits is 46080, while the sum is 34.

The square root of 854421433 is about 29230.4880732430. The cubic root of 854421433 is about 948.9078614655.

The spelling of 854421433 in words is "eight hundred fifty-four million, four hundred twenty-one thousand, four hundred thirty-three".