6515453952 has 234 divisors, whose sum is σ = 21898867848. Its totient is φ = 1861042176.

The previous prime is 6515453941. The next prime is 6515453969. The reversal of 6515453952 is 2593545156.

6515453952 is a `hidden beast` number, since 6 + 51 + 545 + 3 + 9 + 52 = 666.

It is a super-2 number, since 2×6515453952² = 84902280401264836608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6515453898 and 6515453907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1804533 + ... + 1808139.

Almost surely, 2^6515453952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6515453952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10949433924).

6515453952 is an abundant number, since it is smaller than the sum of its proper divisors (15383413896).

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

6515453952 is a wasteful number, since it uses less digits than its factorization.

6515453952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3619 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

The square root of 6515453952 is about 80718.3619258964. The cubic root of 6515453952 is about 1867.7334346887.

The spelling of 6515453952 in words is "six billion, five hundred fifteen million, four hundred fifty-three thousand, nine hundred fifty-two".