8461916499 has 8 divisors (see below), whose sum is σ = 11773101312. Its totient is φ = 5396004680.

The previous prime is 8461916497. The next prime is 8461916509. The reversal of 8461916499 is 9946191648.

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 8461916499 - 2¹ = 8461916497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8461916497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61318167 + ... + 61318304.

It is an arithmetic number, because the mean of its divisors is an integer number (1471637664).

Almost surely, 2^8461916499 is an apocalyptic number.

8461916499 is a deficient number, since it is larger than the sum of its proper divisors (3311184813).

8461916499 is a wasteful number, since it uses less digits than its factorization.

8461916499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122636497.

The product of its digits is 3359232, while the sum is 57.

The square root of 8461916499 is about 91988.6759280728. The cubic root of 8461916499 is about 2037.7750716182.

The spelling of 8461916499 in words is "eight billion, four hundred sixty-one million, nine hundred sixteen thousand, four hundred ninety-nine".