854444444493 has 32 divisors (see below), whose sum is σ = 1166584872960. Its totient is φ = 556175612160.

The previous prime is 854444444473. The next prime is 854444444509. The reversal of 854444444493 is 394444444458.

It is not a de Polignac number, because 854444444493 - 2²⁴ = 854427667277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854444444443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6605088 + ... + 6733206.

It is an arithmetic number, because the mean of its divisors is an integer number (36455777280).

Almost surely, 2^854444444493 is an apocalyptic number.

It is an amenable number.

854444444493 is a deficient number, since it is larger than the sum of its proper divisors (312140428467).

854444444493 is a wasteful number, since it uses less digits than its factorization.

854444444493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128529.

The product of its digits is 70778880, while the sum is 57.

The spelling of 854444444493 in words is "eight hundred fifty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred ninety-three".