6512977020 has 48 divisors (see below), whose sum is σ = 19894186368. Its totient is φ = 1578903360.

The previous prime is 6512977007. The next prime is 6512977033. The reversal of 6512977020 is 207792156.

It is an interprime number because it is at equal distance from previous prime (6512977007) and next prime (6512977033).

It is a self number, because there is not a number n which added to its sum of digits gives 6512977020.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4933414 + ... + 4934733.

It is an arithmetic number, because the mean of its divisors is an integer number (414462216).

Almost surely, 2^6512977020 is an apocalyptic number.

6512977020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6512977020 is an abundant number, since it is smaller than the sum of its proper divisors (13381209348).

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

6512977020 is a wasteful number, since it uses less digits than its factorization.

6512977020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9868170 (or 9868168 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 6512977020 is about 80703.0174157076. The cubic root of 6512977020 is about 1867.4967238822.

The spelling of 6512977020 in words is "six billion, five hundred twelve million, nine hundred seventy-seven thousand, twenty".