2699179121 has 16 divisors (see below), whose sum is σ = 2906050560. Its totient is φ = 2498953680.

The previous prime is 2699179081. The next prime is 2699179123. The reversal of 2699179121 is 1219719962.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2699179121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2699179123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722360 + ... + 726086.

It is an arithmetic number, because the mean of its divisors is an integer number (181628160).

Almost surely, 2^2699179121 is an apocalyptic number.

It is an amenable number.

2699179121 is a deficient number, since it is larger than the sum of its proper divisors (206871439).

2699179121 is a wasteful number, since it uses less digits than its factorization.

2699179121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604.

The product of its digits is 122472, while the sum is 47.

The square root of 2699179121 is about 51953.6247147396. The cubic root of 2699179121 is about 1392.3355178986.

The spelling of 2699179121 in words is "two billion, six hundred ninety-nine million, one hundred seventy-nine thousand, one hundred twenty-one".