2190181397089 has 8 divisors (see below), whose sum is σ = 2503139176640. Its totient is φ = 1877242298256.

The previous prime is 2190181397039. The next prime is 2190181397101. The reversal of 2190181397089 is 9807931810912.

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 2190181397089 - 2³⁵ = 2155821658721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190181397039) 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, 4418034 + ... + 4888699.

It is an arithmetic number, because the mean of its divisors is an integer number (312892397080).

Almost surely, 2^{2190181397089} is an apocalyptic number.

It is an amenable number.

2190181397089 is a deficient number, since it is larger than the sum of its proper divisors (312957779551).

2190181397089 is an equidigital number, since it uses as much as digits as its factorization.

2190181397089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9340359.

The product of its (nonzero) digits is 1959552, while the sum is 58.

The spelling of 2190181397089 in words is "two trillion, one hundred ninety billion, one hundred eighty-one million, three hundred ninety-seven thousand, eighty-nine".