6138574847 has 4 divisors (see below), whose sum is σ = 6139721016. Its totient is φ = 6137428680.

The previous prime is 6138574837. The next prime is 6138574879. The reversal of 6138574847 is 7484758316.

It is a happy number.

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 6138574847 - 2⁴ = 6138574831 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 (6138574807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565013 + ... + 575774.

It is an arithmetic number, because the mean of its divisors is an integer number (1534930254).

Almost surely, 2^6138574847 is an apocalyptic number.

6138574847 is a deficient number, since it is larger than the sum of its proper divisors (1146169).

6138574847 is a wasteful number, since it uses less digits than its factorization.

6138574847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146168.

The product of its digits is 4515840, while the sum is 53.

The square root of 6138574847 is about 78349.0577288585. The cubic root of 6138574847 is about 1831.0035451436.

The spelling of 6138574847 in words is "six billion, one hundred thirty-eight million, five hundred seventy-four thousand, eight hundred forty-seven".