2646386332 has 12 divisors (see below), whose sum is σ = 4635428616. Its totient is φ = 1321978160.

The previous prime is 2646386321. The next prime is 2646386333. The reversal of 2646386332 is 2336836462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646386333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298843 + ... + 307570.

It is an arithmetic number, because the mean of its divisors is an integer number (386285718).

Almost surely, 2^2646386332 is an apocalyptic number.

It is an amenable number.

2646386332 is a deficient number, since it is larger than the sum of its proper divisors (1989042284).

2646386332 is a wasteful number, since it uses less digits than its factorization.

2646386332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607508 (or 607506 counting only the distinct ones).

The product of its digits is 746496, while the sum is 43.

The square root of 2646386332 is about 51443.0396846843. The cubic root of 2646386332 is about 1383.1981994994.

The spelling of 2646386332 in words is "two billion, six hundred forty-six million, three hundred eighty-six thousand, three hundred thirty-two".