6531212364 has 24 divisors (see below), whose sum is σ = 15244056240. Its totient is φ = 2176419264.

The previous prime is 6531212357. The next prime is 6531212381. The reversal of 6531212364 is 4632121356.

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 7 ways as a sum of consecutive naturals, for example, 38779 + ... + 120690.

It is an arithmetic number, because the mean of its divisors is an integer number (635169010).

Almost surely, 2^6531212364 is an apocalyptic number.

It is an amenable number.

6531212364 is an abundant number, since it is smaller than the sum of its proper divisors (8712843876).

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

6531212364 is a wasteful number, since it uses less digits than its factorization.

6531212364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162889 (or 162887 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 6531212364 is about 80815.9165263873. The cubic root of 6531212364 is about 1869.2380019490.

The spelling of 6531212364 in words is "six billion, five hundred thirty-one million, two hundred twelve thousand, three hundred sixty-four".