4238998319 has 4 divisors (see below), whose sum is σ = 4247326920. Its totient is φ = 4230669720.

The previous prime is 4238998289. The next prime is 4238998343. The reversal of 4238998319 is 9138998324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4238998319 - 2²⁴ = 4222221103 is a prime.

It is a super-2 number, since 2×4238998319² = 35938213496969651522, 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 (4238998919) 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, 4163537 + ... + 4164554.

It is an arithmetic number, because the mean of its divisors is an integer number (1061831730).

Almost surely, 2^4238998319 is an apocalyptic number.

4238998319 is a deficient number, since it is larger than the sum of its proper divisors (8328601).

4238998319 is an equidigital number, since it uses as much as digits as its factorization.

4238998319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328600.

The product of its digits is 3359232, while the sum is 56.

The square root of 4238998319 is about 65107.5903332323. The cubic root of 4238998319 is about 1618.4069997033.

The spelling of 4238998319 in words is "four billion, two hundred thirty-eight million, nine hundred ninety-eight thousand, three hundred nineteen".