6512197764 has 24 divisors (see below), whose sum is σ = 15215878720. Its totient is φ = 2167768224.

The previous prime is 6512197751. The next prime is 6512197777. The reversal of 6512197764 is 4677912156.

It is an interprime number because it is at equal distance from previous prime (6512197751) and next prime (6512197777).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 361384 + ... + 378975.

Almost surely, 2^6512197764 is an apocalyptic number.

It is an amenable number.

6512197764 is an abundant number, since it is smaller than the sum of its proper divisors (8703680956).

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

6512197764 is a wasteful number, since it uses less digits than its factorization.

6512197764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741099 (or 741097 counting only the distinct ones).

The product of its digits is 635040, while the sum is 48.

The square root of 6512197764 is about 80698.1893477171. The cubic root of 6512197764 is about 1867.4222409913.

The spelling of 6512197764 in words is "six billion, five hundred twelve million, one hundred ninety-seven thousand, seven hundred sixty-four".