2199424979 has 8 divisors (see below), whose sum is σ = 2295525120. Its totient is φ = 2103364296.

The previous prime is 2199424961. The next prime is 2199424987. The reversal of 2199424979 is 9794249912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2199424979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2199424919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193352 + ... + 204410.

It is an arithmetic number, because the mean of its divisors is an integer number (286940640).

Almost surely, 2^2199424979 is an apocalyptic number.

2199424979 is a deficient number, since it is larger than the sum of its proper divisors (96100141).

2199424979 is a wasteful number, since it uses less digits than its factorization.

2199424979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19729.

The product of its digits is 2939328, while the sum is 56.

The square root of 2199424979 is about 46898.0274531883. The cubic root of 2199424979 is about 1300.4781237360.

The spelling of 2199424979 in words is "two billion, one hundred ninety-nine million, four hundred twenty-four thousand, nine hundred seventy-nine".