6512547480 has 64 divisors (see below), whose sum is σ = 19953354240. Its totient is φ = 1699727232.

The previous prime is 6512547463. The next prime is 6512547523. The reversal of 6512547480 is 847452156.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571714 + ... + 582993.

It is an arithmetic number, because the mean of its divisors is an integer number (311771160).

Almost surely, 2^6512547480 is an apocalyptic number.

6512547480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6512547480 is an abundant number, since it is smaller than the sum of its proper divisors (13440806760).

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

6512547480 is a wasteful number, since it uses less digits than its factorization.

6512547480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154768 (or 1154764 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 6512547480 is about 80700.3561330432. The cubic root of 6512547480 is about 1867.4556683006.

It can be divided in two parts, 65 and 12547480, that added together give a triangular number (12547545 = T₅₀₀₉).

The spelling of 6512547480 in words is "six billion, five hundred twelve million, five hundred forty-seven thousand, four hundred eighty".