2643273416 has 16 divisors (see below), whose sum is σ = 5664157440. Its totient is φ = 1132831440.

The previous prime is 2643273397. The next prime is 2643273431. The reversal of 2643273416 is 6143723462.

It is a self number, because there is not a number n which added to its sum of digits gives 2643273416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23600600 + ... + 23600711.

It is an arithmetic number, because the mean of its divisors is an integer number (354009840).

Almost surely, 2^2643273416 is an apocalyptic number.

It is an amenable number.

2643273416 is an abundant number, since it is smaller than the sum of its proper divisors (3020884024).

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

2643273416 is a wasteful number, since it uses less digits than its factorization.

2643273416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47201324 (or 47201320 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 2643273416 is about 51412.7748327203. The cubic root of 2643273416 is about 1382.6556396144.

Adding to 2643273416 its reverse (6143723462), we get a palindrome (8786996878).

The spelling of 2643273416 in words is "two billion, six hundred forty-three million, two hundred seventy-three thousand, four hundred sixteen".