2190246869 has 16 divisors (see below), whose sum is σ = 2325785280. Its totient is φ = 2056803840.

The previous prime is 2190246853. The next prime is 2190246893. The reversal of 2190246869 is 9686420912.

It is a cyclic number.

It is not a de Polignac number, because 2190246869 - 2⁴ = 2190246853 is a prime.

It is a super-2 number, since 2×2190246869² = 9594362694328606322, which 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 (2190246169) 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 15 ways as a sum of consecutive naturals, for example, 2007014 + ... + 2008104.

It is an arithmetic number, because the mean of its divisors is an integer number (145361580).

Almost surely, 2^2190246869 is an apocalyptic number.

It is an amenable number.

2190246869 is a deficient number, since it is larger than the sum of its proper divisors (135538411).

2190246869 is a wasteful number, since it uses less digits than its factorization.

2190246869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 2190246869 is about 46800.0733866946. The cubic root of 2190246869 is about 1298.6666544201. Note that the first 4 decimals are identical.

The spelling of 2190246869 in words is "two billion, one hundred ninety million, two hundred forty-six thousand, eight hundred sixty-nine".