4257723219 has 12 divisors (see below), whose sum is σ = 6011561304. Its totient is φ = 2671220224.

The previous prime is 4257723203. The next prime is 4257723233. The reversal of 4257723219 is 9123277524.

It is not a de Polignac number, because 4257723219 - 2⁴ = 4257723203 is a prime.

It is a super-2 number, since 2×4257723219² = 36256414019223443922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4257723289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 461419 + ... + 470555.

It is an arithmetic number, because the mean of its divisors is an integer number (500963442).

Almost surely, 2^4257723219 is an apocalyptic number.

4257723219 is a deficient number, since it is larger than the sum of its proper divisors (1753838085).

4257723219 is an frugal number, since it uses more digits than its factorization.

4257723219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18294 (or 9157 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 4257723219 is about 65251.2315515960. The cubic root of 4257723219 is about 1620.7864924378.

The spelling of 4257723219 in words is "four billion, two hundred fifty-seven million, seven hundred twenty-three thousand, two hundred nineteen".