2448721219 has 4 divisors (see below), whose sum is σ = 2798538544. Its totient is φ = 2098903896.

The previous prime is 2448721213. The next prime is 2448721237. The reversal of 2448721219 is 9121278442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9121278442 = 2 ⋅4560639221.

It is a cyclic number.

It is not a de Polignac number, because 2448721219 - 2²⁹ = 1911850307 is a prime.

It is a super-2 number, since 2×2448721219² = 11992471216761691922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2448721213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174908652 + ... + 174908665.

It is an arithmetic number, because the mean of its divisors is an integer number (699634636).

Almost surely, 2^2448721219 is an apocalyptic number.

2448721219 is a deficient number, since it is larger than the sum of its proper divisors (349817325).

2448721219 is an equidigital number, since it uses as much as digits as its factorization.

2448721219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349817324.

The product of its digits is 64512, while the sum is 40.

The square root of 2448721219 is about 49484.5553582125. Note that the first 3 decimals coincide. The cubic root of 2448721219 is about 1347.8651615385.

The spelling of 2448721219 in words is "two billion, four hundred forty-eight million, seven hundred twenty-one thousand, two hundred nineteen".