2190189474 has 48 divisors (see below), whose sum is σ = 5183680320. Its totient is φ = 662813280.

The previous prime is 2190189473. The next prime is 2190189487. The reversal of 2190189474 is 4749810912.

It is a happy number.

It is a super-3 number, since 3×2190189474³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2190189473) 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 23 ways as a sum of consecutive naturals, for example, 150867 + ... + 164745.

It is an arithmetic number, because the mean of its divisors is an integer number (107993340).

Almost surely, 2^2190189474 is an apocalyptic number.

2190189474 is an abundant number, since it is smaller than the sum of its proper divisors (2993490846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2190189474 is a wasteful number, since it uses less digits than its factorization.

2190189474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14695 (or 14692 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2190189474 is about 46799.4601891945. The cubic root of 2190189474 is about 1298.6553105506.

The spelling of 2190189474 in words is "two billion, one hundred ninety million, one hundred eighty-nine thousand, four hundred seventy-four".