6488513871 has 8 divisors (see below), whose sum is σ = 9887259264. Its totient is φ = 3707722200.

The previous prime is 6488513861. The next prime is 6488513893. The reversal of 6488513871 is 1783158846.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6488513871 - 2⁵ = 6488513839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6488513861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154488405 + ... + 154488446.

It is an arithmetic number, because the mean of its divisors is an integer number (1235907408).

Almost surely, 2^6488513871 is an apocalyptic number.

6488513871 is a deficient number, since it is larger than the sum of its proper divisors (3398745393).

6488513871 is a wasteful number, since it uses less digits than its factorization.

6488513871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308976861.

The product of its digits is 1290240, while the sum is 51.

The square root of 6488513871 is about 80551.3120377316. The cubic root of 6488513871 is about 1865.1556455236.

The spelling of 6488513871 in words is "six billion, four hundred eighty-eight million, five hundred thirteen thousand, eight hundred seventy-one".