5199666909 has 8 divisors (see below), whose sum is σ = 7000199232. Its totient is φ = 3432789600.

The previous prime is 5199666907. The next prime is 5199666947. The reversal of 5199666909 is 9096669915.

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

It is not a de Polignac number, because 5199666909 - 2¹ = 5199666907 is a prime.

It is a super-2 number, since 2×5199666909² = 54073071929099228562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5199666907) 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, 8413392 + ... + 8414009.

It is an arithmetic number, because the mean of its divisors is an integer number (875024904).

Almost surely, 2^5199666909 is an apocalyptic number.

It is an amenable number.

5199666909 is a deficient number, since it is larger than the sum of its proper divisors (1800532323).

5199666909 is a wasteful number, since it uses less digits than its factorization.

5199666909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16827507.

The product of its (nonzero) digits is 7085880, while the sum is 60.

The square root of 5199666909 is about 72108.7159017549. The cubic root of 5199666909 is about 1732.4412180394.

The spelling of 5199666909 in words is "five billion, one hundred ninety-nine million, six hundred sixty-six thousand, nine hundred nine".