28986449113 has 8 divisors (see below), whose sum is σ = 29155183200. Its totient is φ = 28818094368.

The previous prime is 28986449087. The next prime is 28986449119. The reversal of 28986449113 is 31194468982.

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 28986449113 - 2¹³ = 28986440921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28986449119) 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, 59158 + ... + 247936.

It is an arithmetic number, because the mean of its divisors is an integer number (3644397900).

Almost surely, 2^28986449113 is an apocalyptic number.

It is an amenable number.

28986449113 is a deficient number, since it is larger than the sum of its proper divisors (168734087).

28986449113 is a wasteful number, since it uses less digits than its factorization.

28986449113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189671.

The product of its digits is 2985984, while the sum is 55.

The spelling of 28986449113 in words is "twenty-eight billion, nine hundred eighty-six million, four hundred forty-nine thousand, one hundred thirteen".