19134385099 has 8 divisors (see below), whose sum is σ = 19973554560. Its totient is φ = 18309086400.

The previous prime is 19134385097. The next prime is 19134385129. The reversal of 19134385099 is 99058343191.

It is a happy number.

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 19134385099 - 2¹ = 19134385097 is a prime.

It is a super-2 number, since 2×19134385099² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19134385097) 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, 3464872 + ... + 3470389.

It is an arithmetic number, because the mean of its divisors is an integer number (2496694320).

Almost surely, 2^19134385099 is an apocalyptic number.

19134385099 is a deficient number, since it is larger than the sum of its proper divisors (839169461).

19134385099 is an equidigital number, since it uses as much as digits as its factorization.

19134385099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935381.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 19134385099 in words is "nineteen billion, one hundred thirty-four million, three hundred eighty-five thousand, ninety-nine".