6513823870 has 32 divisors (see below), whose sum is σ = 12419827200. Its totient is φ = 2451227136.

The previous prime is 6513823843. The next prime is 6513823879. The reversal of 6513823870 is 783283156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6513823879) 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, 482776 + ... + 496084.

It is an arithmetic number, because the mean of its divisors is an integer number (388119600).

Almost surely, 2^6513823870 is an apocalyptic number.

6513823870 is a deficient number, since it is larger than the sum of its proper divisors (5906003330).

6513823870 is a wasteful number, since it uses less digits than its factorization.

6513823870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16212.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 6513823870 is about 80708.2639510973. The cubic root of 6513823870 is about 1867.5776608105.

The spelling of 6513823870 in words is "six billion, five hundred thirteen million, eight hundred twenty-three thousand, eight hundred seventy".