8099149817385 has 256 divisors, whose sum is σ = 16424777318400. Its totient is φ = 3751086412800.

The previous prime is 8099149817383. The next prime is 8099149817387. The reversal of 8099149817385 is 5837189419908.

It is a happy number.

8099149817385 is a `hidden beast` number, since 8 + 0 + 9 + 91 + 498 + 17 + 38 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (8099149817383) and next prime (8099149817387).

It is not a de Polignac number, because 8099149817385 - 2¹ = 8099149817383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8099149817383) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1389931842 + ... + 1389937668.

It is an arithmetic number, because the mean of its divisors is an integer number (64159286400).

Almost surely, 2^{8099149817385} is an apocalyptic number.

It is an amenable number.

8099149817385 is an abundant number, since it is smaller than the sum of its proper divisors (8325627501015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8099149817385 is a wasteful number, since it uses less digits than its factorization.

8099149817385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269 (or 6263 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 72.

The spelling of 8099149817385 in words is "eight trillion, ninety-nine billion, one hundred forty-nine million, eight hundred seventeen thousand, three hundred eighty-five".