2190268919 has 8 divisors (see below), whose sum is σ = 2198940720. Its totient is φ = 2181614400.

The previous prime is 2190268901. The next prime is 2190268939. The reversal of 2190268919 is 9198620912.

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 2190268919 - 2¹² = 2190264823 is a prime.

It is a super-2 number, since 2×2190268919² = 9594555875074857122, 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 (2190268939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287147 + ... + 294675.

It is an arithmetic number, because the mean of its divisors is an integer number (274867590).

Almost surely, 2^2190268919 is an apocalyptic number.

2190268919 is a deficient number, since it is larger than the sum of its proper divisors (8671801).

2190268919 is an equidigital number, since it uses as much as digits as its factorization.

2190268919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 2190268919 is about 46800.3089626554. The cubic root of 2190268919 is about 1298.6710124530.

The spelling of 2190268919 in words is "two billion, one hundred ninety million, two hundred sixty-eight thousand, nine hundred nineteen".