2278821139916 has 24 divisors (see below), whose sum is σ = 4222602842976. Its totient is φ = 1072365766400.

The previous prime is 2278821139913. The next prime is 2278821139921. The reversal of 2278821139916 is 6199311288722.

It is not an unprimeable number, because it can be changed into a prime (2278821139913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3578450 + ... + 4166886.

It is an arithmetic number, because the mean of its divisors is an integer number (175941785124).

Almost surely, 2^{2278821139916} is an apocalyptic number.

It is an amenable number.

2278821139916 is a deficient number, since it is larger than the sum of its proper divisors (1943781703060).

2278821139916 is a wasteful number, since it uses less digits than its factorization.

2278821139916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645409 (or 645407 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 59.

The spelling of 2278821139916 in words is "two trillion, two hundred seventy-eight billion, eight hundred twenty-one million, one hundred thirty-nine thousand, nine hundred sixteen".