2190081506889 has 32 divisors (see below), whose sum is σ = 3095369052160. Its totient is φ = 1373509872000.

The previous prime is 2190081506839. The next prime is 2190081506971. The reversal of 2190081506889 is 9886051800912.

It is not a de Polignac number, because 2190081506889 - 2¹¹ = 2190081504841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (2190081506839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22475904 + ... + 22573134.

It is an arithmetic number, because the mean of its divisors is an integer number (96730282880).

Almost surely, 2^{2190081506889} is an apocalyptic number.

It is an amenable number.

2190081506889 is a deficient number, since it is larger than the sum of its proper divisors (905287545271).

2190081506889 is a wasteful number, since it uses less digits than its factorization.

2190081506889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100021.

The product of its (nonzero) digits is 2488320, while the sum is 57.

The spelling of 2190081506889 in words is "two trillion, one hundred ninety billion, eighty-one million, five hundred six thousand, eight hundred eighty-nine".