6549494313 has 16 divisors (see below), whose sum is σ = 9198264320. Its totient is φ = 4133826576.

The previous prime is 6549494309. The next prime is 6549494317. The reversal of 6549494313 is 3134949456.

It is an interprime number because it is at equal distance from previous prime (6549494309) and next prime (6549494317).

It is not a de Polignac number, because 6549494313 - 2² = 6549494309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6549494317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52656 + ... + 125982.

It is an arithmetic number, because the mean of its divisors is an integer number (574891520).

Almost surely, 2^6549494313 is an apocalyptic number.

It is an amenable number.

6549494313 is a deficient number, since it is larger than the sum of its proper divisors (2648770007).

6549494313 is a wasteful number, since it uses less digits than its factorization.

6549494313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74916.

The product of its digits is 1399680, while the sum is 48.

The square root of 6549494313 is about 80928.9460761723. The cubic root of 6549494313 is about 1870.9804797523.

The spelling of 6549494313 in words is "six billion, five hundred forty-nine million, four hundred ninety-four thousand, three hundred thirteen".