6513933892 has 6 divisors (see below), whose sum is σ = 11399384318. Its totient is φ = 3256966944.

The previous prime is 6513933887. The next prime is 6513933893. The reversal of 6513933892 is 2983393156.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3741279556 + 2772654336 = 61166^2 + 52656^2 .

It is a super-4 number, since 4×6513933892⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (6513933893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 814241733 + ... + 814241740.

Almost surely, 2^6513933892 is an apocalyptic number.

It is an amenable number.

6513933892 is a deficient number, since it is larger than the sum of its proper divisors (4885450426).

6513933892 is a wasteful number, since it uses less digits than its factorization.

6513933892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628483477 (or 1628483475 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 6513933892 is about 80708.9455512832. The cubic root of 6513933892 is about 1867.5881755494.

The spelling of 6513933892 in words is "six billion, five hundred thirteen million, nine hundred thirty-three thousand, eight hundred ninety-two".