2162772983728 has 20 divisors (see below), whose sum is σ = 4788997321360. Its totient is φ = 926902707264.

The previous prime is 2162772983687. The next prime is 2162772983759. The reversal of 2162772983728 is 8273892772612.

It is a self number, because there is not a number n which added to its sum of digits gives 2162772983728.

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, 9655236423 + ... + 9655236646.

It is an arithmetic number, because the mean of its divisors is an integer number (239449866068).

Almost surely, 2^{2162772983728} is an apocalyptic number.

2162772983728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2162772983728 is an abundant number, since it is smaller than the sum of its proper divisors (2626224337632).

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

2162772983728 is a wasteful number, since it uses less digits than its factorization.

2162772983728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310473084 (or 19310473078 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 64.

The spelling of 2162772983728 in words is "two trillion, one hundred sixty-two billion, seven hundred seventy-two million, nine hundred eighty-three thousand, seven hundred twenty-eight".