6138428518 has 8 divisors (see below), whose sum is σ = 9381372048. Its totient is φ = 3011304504.

The previous prime is 6138428507. The next prime is 6138428539. The reversal of 6138428518 is 8158248316.

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

It is a congruent number.

It is an unprimeable number.

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, 28954746 + ... + 28954957.

It is an arithmetic number, because the mean of its divisors is an integer number (1172671506).

Almost surely, 2^6138428518 is an apocalyptic number.

6138428518 is a deficient number, since it is larger than the sum of its proper divisors (3242943530).

6138428518 is a wasteful number, since it uses less digits than its factorization.

6138428518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57909758.

The product of its digits is 368640, while the sum is 46.

The square root of 6138428518 is about 78348.1238958534. The cubic root of 6138428518 is about 1830.9889961072.

The spelling of 6138428518 in words is "six billion, one hundred thirty-eight million, four hundred twenty-eight thousand, five hundred eighteen".