6492581564651 has 64 divisors (see below), whose sum is σ = 8585236396800. Its totient is φ = 4771571245056.

The previous prime is 6492581564627. The next prime is 6492581564671. The reversal of 6492581564651 is 1564651852946.

It is not a de Polignac number, because 6492581564651 - 2¹⁰ = 6492581563627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6492581564671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8316671 + ... + 9063783.

It is an arithmetic number, because the mean of its divisors is an integer number (134144318700).

Almost surely, 2^{6492581564651} is an apocalyptic number.

6492581564651 is a deficient number, since it is larger than the sum of its proper divisors (2092654832149).

6492581564651 is a wasteful number, since it uses less digits than its factorization.

6492581564651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747288.

The product of its digits is 62208000, while the sum is 62.

The spelling of 6492581564651 in words is "six trillion, four hundred ninety-two billion, five hundred eighty-one million, five hundred sixty-four thousand, six hundred fifty-one".