605128916999 has 8 divisors (see below), whose sum is σ = 668582333280. Its totient is φ = 544770789376.

The previous prime is 605128916923. The next prime is 605128917007. The reversal of 605128916999 is 999619821506.

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 605128916999 - 2³⁶ = 536409440263 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 (605128916599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773821754 + ... + 773822535.

It is an arithmetic number, because the mean of its divisors is an integer number (83572791660).

Almost surely, 2^605128916999 is an apocalyptic number.

605128916999 is a deficient number, since it is larger than the sum of its proper divisors (63453416281).

605128916999 is a wasteful number, since it uses less digits than its factorization.

605128916999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547644329.

The product of its (nonzero) digits is 18895680, while the sum is 65.

The spelling of 605128916999 in words is "six hundred five billion, one hundred twenty-eight million, nine hundred sixteen thousand, nine hundred ninety-nine".