4238473138 has 8 divisors (see below), whose sum is σ = 6386220288. Its totient is φ = 2109733044.

The previous prime is 4238473121. The next prime is 4238473147. The reversal of 4238473138 is 8313748324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4238473094 and 4238473103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4751206 + ... + 4752097.

It is an arithmetic number, because the mean of its divisors is an integer number (798277536).

Almost surely, 2^4238473138 is an apocalyptic number.

4238473138 is a deficient number, since it is larger than the sum of its proper divisors (2147747150).

4238473138 is a wasteful number, since it uses less digits than its factorization.

4238473138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9503528.

The product of its digits is 387072, while the sum is 43.

The square root of 4238473138 is about 65103.5570303190. The cubic root of 4238473138 is about 1618.3401606652.

The spelling of 4238473138 in words is "four billion, two hundred thirty-eight million, four hundred seventy-three thousand, one hundred thirty-eight".