2124794819 has 16 divisors (see below), whose sum is σ = 2551980288. Its totient is φ = 1730810592.

The previous prime is 2124794807. The next prime is 2124794843. The reversal of 2124794819 is 9184974212.

It is not a de Polignac number, because 2124794819 - 2²⁰ = 2123746243 is a prime.

It is a super-2 number, since 2×2124794819² = 9029506045698485522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124794849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84257 + ... + 106530.

It is an arithmetic number, because the mean of its divisors is an integer number (159498768).

Almost surely, 2^2124794819 is an apocalyptic number.

2124794819 is a deficient number, since it is larger than the sum of its proper divisors (427185469).

2124794819 is a wasteful number, since it uses less digits than its factorization.

2124794819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190874.

The product of its digits is 290304, while the sum is 47.

The square root of 2124794819 is about 46095.4967323273. The cubic root of 2124794819 is about 1285.5994153206.

The spelling of 2124794819 in words is "two billion, one hundred twenty-four million, seven hundred ninety-four thousand, eight hundred nineteen".