28341806081 has 8 divisors (see below), whose sum is σ = 28704804480. Its totient is φ = 27978913872.

The previous prime is 28341806063. The next prime is 28341806099. The reversal of 28341806081 is 18060814382.

It is an interprime number because it is at equal distance from previous prime (28341806063) and next prime (28341806099).

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-28341806081 is a prime.

It is a super-2 number, since 2×28341806081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28341806011) 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, 606551 + ... + 651603.

It is an arithmetic number, because the mean of its divisors is an integer number (3588100560).

Almost surely, 2^28341806081 is an apocalyptic number.

It is an amenable number.

28341806081 is a deficient number, since it is larger than the sum of its proper divisors (362998399).

28341806081 is an equidigital number, since it uses as much as digits as its factorization.

28341806081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53095.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 28341806081 in words is "twenty-eight billion, three hundred forty-one million, eight hundred six thousand, eighty-one".