4238155079 has 4 divisors (see below), whose sum is σ = 4253131176. Its totient is φ = 4223178984.

The previous prime is 4238155069. The next prime is 4238155093. The reversal of 4238155079 is 9705518324.

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 4238155079 - 2²⁴ = 4221377863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238155069) 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 3 ways as a sum of consecutive naturals, for example, 7487624 + ... + 7488189.

It is an arithmetic number, because the mean of its divisors is an integer number (1063282794).

Almost surely, 2^4238155079 is an apocalyptic number.

4238155079 is a deficient number, since it is larger than the sum of its proper divisors (14976097).

4238155079 is a wasteful number, since it uses less digits than its factorization.

4238155079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14976096.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 4238155079 is about 65101.1142684977. The cubic root of 4238155079 is about 1618.2996790647.

The spelling of 4238155079 in words is "four billion, two hundred thirty-eight million, one hundred fifty-five thousand, seventy-nine".