6147638009 has 4 divisors (see below), whose sum is σ = 6149199504. Its totient is φ = 6146076516.

The previous prime is 6147637999. The next prime is 6147638017. The reversal of 6147638009 is 9008367416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6147638009 - 2⁸ = 6147637753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6147638089) 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, 774827 + ... + 782720.

It is an arithmetic number, because the mean of its divisors is an integer number (1537299876).

Almost surely, 2^6147638009 is an apocalyptic number.

It is an amenable number.

6147638009 is a deficient number, since it is larger than the sum of its proper divisors (1561495).

6147638009 is a wasteful number, since it uses less digits than its factorization.

6147638009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561494.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 6147638009 is about 78406.8747559804. The cubic root of 6147638009 is about 1831.9042168201.

The spelling of 6147638009 in words is "six billion, one hundred forty-seven million, six hundred thirty-eight thousand, nine".