2243778672368 has 20 divisors (see below), whose sum is σ = 4348872217608. Its totient is φ = 1121489067840.

The previous prime is 2243778672347. The next prime is 2243778672379. The reversal of 2243778672368 is 8632768773422.

It is a congruent number.

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, 24970523 + ... + 25060218.

Almost surely, 2^{2243778672368} is an apocalyptic number.

It is an amenable number.

2243778672368 is a deficient number, since it is larger than the sum of its proper divisors (2105093545240).

2243778672368 is a wasteful number, since it uses less digits than its factorization.

2243778672368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50033552 (or 50033546 counting only the distinct ones).

The product of its digits is 227598336, while the sum is 65.

The spelling of 2243778672368 in words is "two trillion, two hundred forty-three billion, seven hundred seventy-eight million, six hundred seventy-two thousand, three hundred sixty-eight".