38005743238 has 4 divisors (see below), whose sum is σ = 57008614860. Its totient is φ = 19002871618.

The previous prime is 38005743169. The next prime is 38005743239. The reversal of 38005743238 is 83234750083.

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

It is a junction number, because it is equal to n+sod(n) for n = 38005743194 and 38005743203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38005743239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9501435808 + ... + 9501435811.

It is an arithmetic number, because the mean of its divisors is an integer number (14252153715).

Almost surely, 2^38005743238 is an apocalyptic number.

38005743238 is a deficient number, since it is larger than the sum of its proper divisors (19002871622).

38005743238 is a wasteful number, since it uses less digits than its factorization.

38005743238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19002871621.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 38005743238 in words is "thirty-eight billion, five million, seven hundred forty-three thousand, two hundred thirty-eight".