6510561364 has 12 divisors (see below), whose sum is σ = 11786361300. Its totient is φ = 3143029568.

The previous prime is 6510561353. The next prime is 6510561367. The reversal of 6510561364 is 4631650156.

It can be written as a sum of positive squares in 2 ways, for example, as 1517725764 + 4992835600 = 38958^2 + 70660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6510561367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28062649 + ... + 28062880.

It is an arithmetic number, because the mean of its divisors is an integer number (982196775).

Almost surely, 2^6510561364 is an apocalyptic number.

It is an amenable number.

6510561364 is a deficient number, since it is larger than the sum of its proper divisors (5275799936).

6510561364 is a wasteful number, since it uses less digits than its factorization.

6510561364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56125562 (or 56125560 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 6510561364 is about 80688.0496975853. The cubic root of 6510561364 is about 1867.2658111724.

The spelling of 6510561364 in words is "six billion, five hundred ten million, five hundred sixty-one thousand, three hundred sixty-four".