28853412640109 has 8 divisors (see below), whose sum is σ = 28919587730880. Its totient is φ = 28787239594656.

The previous prime is 28853412640103. The next prime is 28853412640123. The reversal of 28853412640109 is 90104621435882.

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-28853412640109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28853412640103) 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, 29791097 + ... + 30744369.

It is an arithmetic number, because the mean of its divisors is an integer number (3614948466360).

Almost surely, 2^{28853412640109} is an apocalyptic number.

It is an amenable number.

28853412640109 is a deficient number, since it is larger than the sum of its proper divisors (66175090771).

28853412640109 is an equidigital number, since it uses as much as digits as its factorization.

28853412640109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022659.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 28853412640109 in words is "twenty-eight trillion, eight hundred fifty-three billion, four hundred twelve million, six hundred forty thousand, one hundred nine".