13021144219 has 4 divisors (see below), whose sum is σ = 13056624544. Its totient is φ = 12985663896.

The previous prime is 13021144189. The next prime is 13021144223. The reversal of 13021144219 is 91244112031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91244112031 = 283 ⋅322417357.

It is a cyclic number.

It is not a de Polignac number, because 13021144219 - 2⁷ = 13021144091 is a prime.

It is a super-2 number, since 2×13021144219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021144919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17739612 + ... + 17740345.

It is an arithmetic number, because the mean of its divisors is an integer number (3264156136).

Almost surely, 2^13021144219 is an apocalyptic number.

13021144219 is a deficient number, since it is larger than the sum of its proper divisors (35480325).

13021144219 is an equidigital number, since it uses as much as digits as its factorization.

13021144219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35480324.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 13021144219 in words is "thirteen billion, twenty-one million, one hundred forty-four thousand, two hundred nineteen".