28620451044089 has 8 divisors (see below), whose sum is σ = 28765829468160. Its totient is φ = 28475375178096.

The previous prime is 28620451044023. The next prime is 28620451044109. The reversal of 28620451044089 is 98044015402682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28620451044089 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 28620451044089.

It is not an unprimeable number, because it can be changed into a prime (28620451044589) 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, 75449849 + ... + 75828230.

It is an arithmetic number, because the mean of its divisors is an integer number (3595728683520).

Almost surely, 2^{28620451044089} is an apocalyptic number.

It is an amenable number.

28620451044089 is a deficient number, since it is larger than the sum of its proper divisors (145378424071).

28620451044089 is a wasteful number, since it uses less digits than its factorization.

28620451044089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151279039.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 28620451044089 in words is "twenty-eight trillion, six hundred twenty billion, four hundred fifty-one million, forty-four thousand, eighty-nine".