18849096919 has 8 divisors (see below), whose sum is σ = 20825601120. Its totient is φ = 16969007616.

The previous prime is 18849096901. The next prime is 18849096971. The reversal of 18849096919 is 91969094881.

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 18849096919 - 2⁹ = 18849096407 is a prime.

It is a super-2 number, since 2×18849096919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18849090919) 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, 24103314 + ... + 24104095.

It is an arithmetic number, because the mean of its divisors is an integer number (2603200140).

Almost surely, 2^18849096919 is an apocalyptic number.

18849096919 is a deficient number, since it is larger than the sum of its proper divisors (1976504201).

18849096919 is a wasteful number, since it uses less digits than its factorization.

18849096919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48207449.

The product of its (nonzero) digits is 10077696, while the sum is 64.

The spelling of 18849096919 in words is "eighteen billion, eight hundred forty-nine million, ninety-six thousand, nine hundred nineteen".