854945111930 has 32 divisors (see below), whose sum is σ = 1894032249984. Its totient is φ = 270576035136.

The previous prime is 854945111849. The next prime is 854945111947. The reversal of 854945111930 is 39111549458.

It is a happy number.

It is a super-2 number, since 2×854945111930² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469749152 + ... + 469750971.

It is an arithmetic number, because the mean of its divisors is an integer number (59188507812).

Almost surely, 2^854945111930 is an apocalyptic number.

854945111930 is an abundant number, since it is smaller than the sum of its proper divisors (1039087138054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

854945111930 is a wasteful number, since it uses less digits than its factorization.

854945111930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939500150.

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 854945111930 in words is "eight hundred fifty-four billion, nine hundred forty-five million, one hundred eleven thousand, nine hundred thirty".