28446267446229 has 8 divisors (see below), whose sum is σ = 38027386248192. Its totient is φ = 18914663470880.

The previous prime is 28446267446189. The next prime is 28446267446251. The reversal of 28446267446229 is 92264476264482.

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 28446267446229 - 2¹² = 28446267442133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28446267446229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28446267046229) 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, 12378705312 + ... + 12378707609.

It is an arithmetic number, because the mean of its divisors is an integer number (4753423281024).

Almost surely, 2^{28446267446229} is an apocalyptic number.

It is an amenable number.

28446267446229 is a deficient number, since it is larger than the sum of its proper divisors (9581118801963).

28446267446229 is a wasteful number, since it uses less digits than its factorization.

28446267446229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24757413307.

The product of its digits is 445906944, while the sum is 66.

The spelling of 28446267446229 in words is "twenty-eight trillion, four hundred forty-six billion, two hundred sixty-seven million, four hundred forty-six thousand, two hundred twenty-nine".