6138849506 has 8 divisors (see below), whose sum is σ = 9422420304. Its totient is φ = 2998042740.

The previous prime is 6138849503. The next prime is 6138849527. The reversal of 6138849506 is 6059488316.

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

It is not an unprimeable number, because it can be changed into a prime (6138849503) 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, 35690900 + ... + 35691071.

It is an arithmetic number, because the mean of its divisors is an integer number (1177802538).

Almost surely, 2^6138849506 is an apocalyptic number.

6138849506 is a deficient number, since it is larger than the sum of its proper divisors (3283570798).

6138849506 is a wasteful number, since it uses less digits than its factorization.

6138849506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71382016.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 6138849506 is about 78350.8104999559. The cubic root of 6138849506 is about 1831.0308530077.

The spelling of 6138849506 in words is "six billion, one hundred thirty-eight million, eight hundred forty-nine thousand, five hundred six".