867493913133651 has 16 divisors (see below), whose sum is σ = 1207225767756960. Its totient is φ = 553577953460480.

The previous prime is 867493913133641. The next prime is 867493913133709. The reversal of 867493913133651 is 156331319394768.

It is a cyclic number.

It is not a de Polignac number, because 867493913133651 - 2¹⁸ = 867493912871507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (867493913133611) 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 15 ways as a sum of consecutive naturals, for example, 66535805196 + ... + 66535818233.

It is an arithmetic number, because the mean of its divisors is an integer number (75451610484810).

Almost surely, 2^{867493913133651} is an apocalyptic number.

867493913133651 is a deficient number, since it is larger than the sum of its proper divisors (339731854623309).

867493913133651 is a wasteful number, since it uses less digits than its factorization.

867493913133651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133071623526.

The product of its digits is 264539520, while the sum is 69.

The spelling of 867493913133651 in words is "eight hundred sixty-seven trillion, four hundred ninety-three billion, nine hundred thirteen million, one hundred thirty-three thousand, six hundred fifty-one".