2179822964049 has 12 divisors (see below), whose sum is σ = 3148733875716. Its totient is φ = 1453168829952.

The previous prime is 2179822964023. The next prime is 2179822964051. The reversal of 2179822964049 is 9404692289712.

2179822964049 is a `hidden beast` number, since 217 + 9 + 8 + 2 + 2 + 9 + 6 + 404 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1044191728449 + 1135631235600 = 1021857^2 + 1065660^2 .

It is not a de Polignac number, because 2179822964049 - 2⁹ = 2179822963537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2179822968049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3575052 + ... + 4140125.

It is an arithmetic number, because the mean of its divisors is an integer number (262394489643).

Almost surely, 2^{2179822964049} is an apocalyptic number.

It is an amenable number.

2179822964049 is a deficient number, since it is larger than the sum of its proper divisors (968910911667).

2179822964049 is a wasteful number, since it uses less digits than its factorization.

2179822964049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7746576 (or 7746573 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 2179822964049 in words is "two trillion, one hundred seventy-nine billion, eight hundred twenty-two million, nine hundred sixty-four thousand, forty-nine".