2072918189 has 8 divisors (see below), whose sum is σ = 2079527520. Its totient is φ = 2066320656.

The previous prime is 2072918179. The next prime is 2072918191. The reversal of 2072918189 is 9818192702.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2072918189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072918179) 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, 453614 + ... + 458160.

It is an arithmetic number, because the mean of its divisors is an integer number (259940940).

Almost surely, 2^2072918189 is an apocalyptic number.

It is an amenable number.

2072918189 is a deficient number, since it is larger than the sum of its proper divisors (6609331).

2072918189 is an equidigital number, since it uses as much as digits as its factorization.

2072918189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 2072918189 is about 45529.3113169967. The cubic root of 2072918189 is about 1275.0505045226.

The spelling of 2072918189 in words is "two billion, seventy-two million, nine hundred eighteen thousand, one hundred eighty-nine".