6013749809 has 4 divisors (see below), whose sum is σ = 6275217216. Its totient is φ = 5752282404.

The previous prime is 6013749773. The next prime is 6013749839. The reversal of 6013749809 is 9089473106.

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 6013749809 - 2²⁴ = 5996972593 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 (6013749839) 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, 130733669 + ... + 130733714.

It is an arithmetic number, because the mean of its divisors is an integer number (1568804304).

Almost surely, 2^6013749809 is an apocalyptic number.

It is an amenable number.

6013749809 is a deficient number, since it is larger than the sum of its proper divisors (261467407).

6013749809 is a wasteful number, since it uses less digits than its factorization.

6013749809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261467406.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 6013749809 is about 77548.3707694752. The cubic root of 6013749809 is about 1818.5075928209.

The spelling of 6013749809 in words is "six billion, thirteen million, seven hundred forty-nine thousand, eight hundred nine".