2863311894 has 48 divisors (see below), whose sum is σ = 6545448000. Its totient is φ = 902114928.

The previous prime is 2863311889. The next prime is 2863311947. The reversal of 2863311894 is 4981133682.

2863311894 is a `hidden beast` number, since 2 + 8 + 633 + 1 + 1 + 8 + 9 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142057 + ... + 160955.

It is an arithmetic number, because the mean of its divisors is an integer number (136363500).

Almost surely, 2^2863311894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2863311894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3272724000).

2863311894 is an abundant number, since it is smaller than the sum of its proper divisors (3682136106).

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

2863311894 is a wasteful number, since it uses less digits than its factorization.

2863311894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19369 (or 19366 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 2863311894 is about 53509.9233226885. The cubic root of 2863311894 is about 1420.0039499328.

The spelling of 2863311894 in words is "two billion, eight hundred sixty-three million, three hundred eleven thousand, eight hundred ninety-four".