12811466893 has 8 divisors (see below), whose sum is σ = 12977753600. Its totient is φ = 12645283248.

The previous prime is 12811466879. The next prime is 12811466897. The reversal of 12811466893 is 39866411821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12811466893 - 2¹³ = 12811458701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12811466897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242428 + ... + 290506.

It is an arithmetic number, because the mean of its divisors is an integer number (1622219200).

Almost surely, 2^12811466893 is an apocalyptic number.

It is an amenable number.

12811466893 is a deficient number, since it is larger than the sum of its proper divisors (166286707).

12811466893 is an equidigital number, since it uses as much as digits as its factorization.

12811466893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51531.

The product of its digits is 497664, while the sum is 49.

The spelling of 12811466893 in words is "twelve billion, eight hundred eleven million, four hundred sixty-six thousand, eight hundred ninety-three".