28412493317 has 8 divisors (see below), whose sum is σ = 30605739360. Its totient is φ = 26220342960.

The previous prime is 28412493313. The next prime is 28412493341. The reversal of 28412493317 is 71339421482.

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 28412493317 - 2² = 28412493313 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 (28412493311) 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, 219659 + ... + 324152.

It is an arithmetic number, because the mean of its divisors is an integer number (3825717420).

Almost surely, 2^28412493317 is an apocalyptic number.

It is an amenable number.

28412493317 is a deficient number, since it is larger than the sum of its proper divisors (2193246043).

28412493317 is a wasteful number, since it uses less digits than its factorization.

28412493317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547843.

The product of its digits is 290304, while the sum is 44.

The spelling of 28412493317 in words is "twenty-eight billion, four hundred twelve million, four hundred ninety-three thousand, three hundred seventeen".