2199457979082 has 96 divisors (see below), whose sum is σ = 5964632069760. Its totient is φ = 570244993920.

The previous prime is 2199457978987. The next prime is 2199457979093. The reversal of 2199457979082 is 2809797549912.

It is a happy number.

2199457979082 is a `hidden beast` number, since 2 + 1 + 9 + 9 + 457 + 9 + 7 + 90 + 82 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2199457979082.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 11282769 + ... + 11476052.

It is an arithmetic number, because the mean of its divisors is an integer number (62131584060).

Almost surely, 2^{2199457979082} is an apocalyptic number.

2199457979082 is an abundant number, since it is smaller than the sum of its proper divisors (3765174090678).

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

2199457979082 is a wasteful number, since it uses less digits than its factorization.

2199457979082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758908 (or 22758905 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 72.

The spelling of 2199457979082 in words is "two trillion, one hundred ninety-nine billion, four hundred fifty-seven million, nine hundred seventy-nine thousand, eighty-two".