6493515247 has 4 divisors (see below), whose sum is σ = 6494875960. Its totient is φ = 6492154536.

The previous prime is 6493515241. The next prime is 6493515277. The reversal of 6493515247 is 7425153946.

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 6493515247 - 2³ = 6493515239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6493515197 and 6493515206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6493515241) 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, 673173 + ... + 682750.

It is an arithmetic number, because the mean of its divisors is an integer number (1623718990).

Almost surely, 2^6493515247 is an apocalyptic number.

6493515247 is a deficient number, since it is larger than the sum of its proper divisors (1360713).

6493515247 is a wasteful number, since it uses less digits than its factorization.

6493515247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360712.

The product of its digits is 907200, while the sum is 46.

The square root of 6493515247 is about 80582.3507165186. The cubic root of 6493515247 is about 1865.6347459317.

The spelling of 6493515247 in words is "six billion, four hundred ninety-three million, five hundred fifteen thousand, two hundred forty-seven".