19206966119 has 4 divisors (see below), whose sum is σ = 20953053960. Its totient is φ = 17460878280.

The previous prime is 19206966113. The next prime is 19206966167. The reversal of 19206966119 is 91166960291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91166960291 = 11 ⋅8287905481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19206966119 is a prime.

It is a super-2 number, since 2×19206966119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19206966113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873043904 + ... + 873043925.

It is an arithmetic number, because the mean of its divisors is an integer number (5238263490).

Almost surely, 2^19206966119 is an apocalyptic number.

19206966119 is a deficient number, since it is larger than the sum of its proper divisors (1746087841).

19206966119 is a wasteful number, since it uses less digits than its factorization.

19206966119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746087840.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 19206966119 in words is "nineteen billion, two hundred six million, nine hundred sixty-six thousand, one hundred nineteen".