2853109934478 has 384 divisors, whose sum is σ = 7074902016000. Its totient is φ = 858388752000.

The previous prime is 2853109934419. The next prime is 2853109934501. The reversal of 2853109934478 is 8744399013582.

2853109934478 is a `hidden beast` number, since 2 + 8 + 53 + 109 + 9 + 3 + 4 + 478 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6440428525 + ... + 6440428967.

It is an arithmetic number, because the mean of its divisors is an integer number (18424224000).

Almost surely, 2^{2853109934478} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2853109934478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3537451008000).

2853109934478 is an abundant number, since it is smaller than the sum of its proper divisors (4221792081522).

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

2853109934478 is a wasteful number, since it uses less digits than its factorization.

2853109934478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 2853109934478 in words is "two trillion, eight hundred fifty-three billion, one hundred nine million, nine hundred thirty-four thousand, four hundred seventy-eight".