8699919591242 has 16 divisors (see below), whose sum is σ = 14583457232064. Its totient is φ = 3858057468000.

The previous prime is 8699919591241. The next prime is 8699919591263. The reversal of 8699919591242 is 2421959199968.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8699919591242.

It is not an unprimeable number, because it can be changed into a prime (8699919591241) 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, 4822570934 + ... + 4822572737.

It is an arithmetic number, because the mean of its divisors is an integer number (911466077004).

Almost surely, 2^{8699919591242} is an apocalyptic number.

8699919591242 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8699919591242 is a deficient number, since it is larger than the sum of its proper divisors (5883537640822).

8699919591242 is a wasteful number, since it uses less digits than its factorization.

8699919591242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645143725.

The product of its digits is 226748160, while the sum is 74.

The spelling of 8699919591242 in words is "eight trillion, six hundred ninety-nine billion, nine hundred nineteen million, five hundred ninety-one thousand, two hundred forty-two".