13270663468821 has 48 divisors (see below), whose sum is σ = 19495182313152. Its totient is φ = 8023743383040.

The previous prime is 13270663468787. The next prime is 13270663468861. The reversal of 13270663468821 is 12886436607231.

It is a happy number.

It is not a de Polignac number, because 13270663468821 - 2¹⁰ = 13270663467797 is a prime.

It is a super-2 number, since 2×13270663468821² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13270663468861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1196304151 + ... + 1196315243.

It is an arithmetic number, because the mean of its divisors is an integer number (406149631524).

Almost surely, 2^{13270663468821} is an apocalyptic number.

13270663468821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13270663468821 is a deficient number, since it is larger than the sum of its proper divisors (6224518844331).

13270663468821 is a wasteful number, since it uses less digits than its factorization.

13270663468821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18642 (or 18631 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 13270663468821 in words is "thirteen trillion, two hundred seventy billion, six hundred sixty-three million, four hundred sixty-eight thousand, eight hundred twenty-one".