2646327894 has 64 divisors (see below), whose sum is σ = 6303398400. Its totient is φ = 724647168.

The previous prime is 2646327883. The next prime is 2646327913. The reversal of 2646327894 is 4987236462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158937 + ... + 174795.

It is an arithmetic number, because the mean of its divisors is an integer number (98490600).

Almost surely, 2^2646327894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2646327894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3151699200).

2646327894 is an abundant number, since it is smaller than the sum of its proper divisors (3657070506).

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

2646327894 is a wasteful number, since it uses less digits than its factorization.

2646327894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16037.

The product of its digits is 3483648, while the sum is 51.

The square root of 2646327894 is about 51442.4716941167. The cubic root of 2646327894 is about 1383.1880180770.

The spelling of 2646327894 in words is "two billion, six hundred forty-six million, three hundred twenty-seven thousand, eight hundred ninety-four".