6513823830 has 16 divisors (see below), whose sum is σ = 15633177264. Its totient is φ = 1737019680.

The previous prime is 6513823741. The next prime is 6513823843. The reversal of 6513823830 is 383283156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108563701 + ... + 108563760.

It is an arithmetic number, because the mean of its divisors is an integer number (977073579).

Almost surely, 2^6513823830 is an apocalyptic number.

6513823830 is an abundant number, since it is smaller than the sum of its proper divisors (9119353434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6513823830 is a wasteful number, since it uses less digits than its factorization.

6513823830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217127471.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6513823830 is about 80708.2637032913. The cubic root of 6513823830 is about 1867.5776569877.

The spelling of 6513823830 in words is "six billion, five hundred thirteen million, eight hundred twenty-three thousand, eight hundred thirty".