2643232678 has 8 divisors (see below), whose sum is σ = 4024026072. Its totient is φ = 1301890656.

The previous prime is 2643232667. The next prime is 2643232679. The reversal of 2643232678 is 8762323462.

2643232678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643232679) 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, 9862675 + ... + 9862942.

It is an arithmetic number, because the mean of its divisors is an integer number (503003259).

Almost surely, 2^2643232678 is an apocalyptic number.

2643232678 is a deficient number, since it is larger than the sum of its proper divisors (1380793394).

2643232678 is a wasteful number, since it uses less digits than its factorization.

2643232678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19725686.

The product of its digits is 580608, while the sum is 43.

The square root of 2643232678 is about 51412.3786456141. The cubic root of 2643232678 is about 1382.6485364377.

The spelling of 2643232678 in words is "two billion, six hundred forty-three million, two hundred thirty-two thousand, six hundred seventy-eight".