2028213919 has 16 divisors (see below), whose sum is σ = 2225520000. Its totient is φ = 1840980960.

The previous prime is 2028213907. The next prime is 2028213947. The reversal of 2028213919 is 9193128202.

It is a cyclic number.

It is not a de Polignac number, because 2028213919 - 2²⁷ = 1893996191 is a prime.

It is a super-2 number, since 2×2028213919² = 8227303402450677122, 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 (2028211919) 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 15 ways as a sum of consecutive naturals, for example, 58132 + ... + 86230.

It is an arithmetic number, because the mean of its divisors is an integer number (139095000).

Almost surely, 2^2028213919 is an apocalyptic number.

2028213919 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2028213919 is a deficient number, since it is larger than the sum of its proper divisors (197306081).

2028213919 is a wasteful number, since it uses less digits than its factorization.

2028213919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28278.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 2028213919 is about 45035.6960532420. The cubic root of 2028213919 is about 1265.8179588043.

The spelling of 2028213919 in words is "two billion, twenty-eight million, two hundred thirteen thousand, nine hundred nineteen".