2124321819 has 32 divisors (see below), whose sum is σ = 3097290240. Its totient is φ = 1289820672.

The previous prime is 2124321799. The next prime is 2124321911. The reversal of 2124321819 is 9181234212.

It is not a de Polignac number, because 2124321819 - 2⁹ = 2124321307 is a prime.

It is a super-2 number, since 2×2124321819² = 9025486381358937522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2124321819.

It is not an unprimeable number, because it can be changed into a prime (2124321119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234594 + ... + 243480.

It is an arithmetic number, because the mean of its divisors is an integer number (96790320).

Almost surely, 2^2124321819 is an apocalyptic number.

2124321819 is a deficient number, since it is larger than the sum of its proper divisors (972968421).

2124321819 is a wasteful number, since it uses less digits than its factorization.

2124321819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059.

The product of its digits is 6912, while the sum is 33.

The square root of 2124321819 is about 46090.3657937318. The cubic root of 2124321819 is about 1285.5040125950.

The spelling of 2124321819 in words is "two billion, one hundred twenty-four million, three hundred twenty-one thousand, eight hundred nineteen".