28214212613 has 8 divisors (see below), whose sum is σ = 28316551200. Its totient is φ = 28111915728.

The previous prime is 28214212589. The next prime is 28214212669. The reversal of 28214212613 is 31621241282.

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 28214212613 - 2⁸ = 28214212357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28214212613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28214212913) 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, 2108498 + ... + 2121836.

It is an arithmetic number, because the mean of its divisors is an integer number (3539568900).

Almost surely, 2^28214212613 is an apocalyptic number.

It is an amenable number.

28214212613 is a deficient number, since it is larger than the sum of its proper divisors (102338587).

28214212613 is a wasteful number, since it uses less digits than its factorization.

28214212613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20851.

The product of its digits is 9216, while the sum is 32.

Adding to 28214212613 its reverse (31621241282), we get a palindrome (59835453895).

The spelling of 28214212613 in words is "twenty-eight billion, two hundred fourteen million, two hundred twelve thousand, six hundred thirteen".