19161846049 has 8 divisors (see below), whose sum is σ = 19448674560. Its totient is φ = 18876607200.

The previous prime is 19161846037. The next prime is 19161846071. The reversal of 19161846049 is 94064816191.

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 19161846049 - 2¹¹ = 19161844001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19161845993 and 19161846011.

It is not an unprimeable number, because it can be changed into a prime (19161826049) 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 7 ways as a sum of consecutive naturals, for example, 373117 + ... + 421354.

It is an arithmetic number, because the mean of its divisors is an integer number (2431084320).

Almost surely, 2^19161846049 is an apocalyptic number.

It is an amenable number.

19161846049 is a deficient number, since it is larger than the sum of its proper divisors (286828511).

19161846049 is an equidigital number, since it uses as much as digits as its factorization.

19161846049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794831.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 19161846049 in words is "nineteen billion, one hundred sixty-one million, eight hundred forty-six thousand, forty-nine".