209132192919 has 8 divisors (see below), whose sum is σ = 300292379632. Its totient is φ = 128696734080.

The previous prime is 209132192881. The next prime is 209132192921. The reversal of 209132192919 is 919291231902.

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

It is not a de Polignac number, because 209132192919 - 2¹¹ = 209132190871 is a prime.

It is a super-2 number, since 2×209132192919² (a number of 23 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 (209132192959) 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, 2681181922 + ... + 2681181999.

It is an arithmetic number, because the mean of its divisors is an integer number (37536547454).

Almost surely, 2^209132192919 is an apocalyptic number.

209132192919 is a deficient number, since it is larger than the sum of its proper divisors (91160186713).

209132192919 is a wasteful number, since it uses less digits than its factorization.

209132192919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362363937.

The product of its (nonzero) digits is 157464, while the sum is 48.

The spelling of 209132192919 in words is "two hundred nine billion, one hundred thirty-two million, one hundred ninety-two thousand, nine hundred nineteen".