28194006950895 has 16 divisors (see below), whose sum is σ = 45115848275040. Its totient is φ = 15034991322624.

The previous prime is 28194006950729. The next prime is 28194006950897. The reversal of 28194006950895 is 59805960049182.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-28194006950895 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28194006950897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113145430 + ... + 113394339.

It is an arithmetic number, because the mean of its divisors is an integer number (2819740517190).

Almost surely, 2^{28194006950895} is an apocalyptic number.

28194006950895 is a deficient number, since it is larger than the sum of its proper divisors (16921841324145).

28194006950895 is a wasteful number, since it uses less digits than its factorization.

28194006950895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226548074.

The product of its (nonzero) digits is 55987200, while the sum is 66.

The spelling of 28194006950895 in words is "twenty-eight trillion, one hundred ninety-four billion, six million, nine hundred fifty thousand, eight hundred ninety-five".