2099579745 has 8 divisors (see below), whose sum is σ = 3359327616. Its totient is φ = 1119775856.

The previous prime is 2099579659. The next prime is 2099579767. The reversal of 2099579745 is 5479759902.

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

It is a cyclic number.

It is not a de Polignac number, because 2099579745 - 2²⁷ = 1965362017 is a prime.

It is a super-2 number, since 2×2099579745² = 8816470211228530050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69985977 + ... + 69986006.

It is an arithmetic number, because the mean of its divisors is an integer number (419915952).

Almost surely, 2^2099579745 is an apocalyptic number.

It is an amenable number.

2099579745 is a deficient number, since it is larger than the sum of its proper divisors (1259747871).

2099579745 is a wasteful number, since it uses less digits than its factorization.

2099579745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139971991.

The product of its (nonzero) digits is 7144200, while the sum is 57.

The square root of 2099579745 is about 45821.1713621553. The cubic root of 2099579745 is about 1280.4937355112.

The spelling of 2099579745 in words is "two billion, ninety-nine million, five hundred seventy-nine thousand, seven hundred forty-five".