2643678303 has 32 divisors (see below), whose sum is σ = 4063288320. Its totient is φ = 1497665280.

The previous prime is 2643678299. The next prime is 2643678311. The reversal of 2643678303 is 3038763462.

It is not a de Polignac number, because 2643678303 - 2² = 2643678299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643678353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1784323 + ... + 1785803.

It is an arithmetic number, because the mean of its divisors is an integer number (126977760).

Almost surely, 2^2643678303 is an apocalyptic number.

2643678303 is a deficient number, since it is larger than the sum of its proper divisors (1419610017).

2643678303 is a wasteful number, since it uses less digits than its factorization.

2643678303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 435456, while the sum is 42.

The square root of 2643678303 is about 51416.7122927945. The cubic root of 2643678303 is about 1382.7262327294.

The spelling of 2643678303 in words is "two billion, six hundred forty-three million, six hundred seventy-eight thousand, three hundred three".