1468587693609 has 9 divisors (see below), whose sum is σ = 2121298586589. Its totient is φ = 979056038700.

The previous prime is 1468587693589. The next prime is 1468587693659. The reversal of 1468587693609 is 9063967858641.

The square root of 1468587693609 is 1211853.

It is a perfect power (a square), and thus also a powerful number.

1468587693609 is a `hidden beast` number, since 1 + 4 + 6 + 8 + 5 + 8 + 7 + 6 + 9 + 3 + 609 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-1468587693609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1468587693659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3433584 + ... + 3837534.

Almost surely, 2^{1468587693609} is an apocalyptic number.

1468587693609 is the 1211853-rd square number.

1468587693609 is the 605927-th centered octagonal number.

It is an amenable number.

1468587693609 is a deficient number, since it is larger than the sum of its proper divisors (652710892980).

1468587693609 is an frugal number, since it uses more digits than its factorization.

1468587693609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807908 (or 403954 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 72.

The spelling of 1468587693609 in words is "one trillion, four hundred sixty-eight billion, five hundred eighty-seven million, six hundred ninety-three thousand, six hundred nine".