6146537609 has 4 divisors (see below), whose sum is σ = 6155537616. Its totient is φ = 6137537604.

The previous prime is 6146537603. The next prime is 6146537611. The reversal of 6146537609 is 9067356416.

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 a de Polignac number, because none of the positive numbers 2^k-6146537609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6146537603) 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 in 3 ways as a sum of consecutive naturals, for example, 4498979 + ... + 4500344.

It is an arithmetic number, because the mean of its divisors is an integer number (1538884404).

Almost surely, 2^6146537609 is an apocalyptic number.

It is an amenable number.

6146537609 is a deficient number, since it is larger than the sum of its proper divisors (9000007).

6146537609 is an equidigital number, since it uses as much as digits as its factorization.

6146537609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000006.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 6146537609 is about 78399.8572001251. The cubic root of 6146537609 is about 1831.7949093818.

The spelling of 6146537609 in words is "six billion, one hundred forty-six million, five hundred thirty-seven thousand, six hundred nine".