8191952486 has 32 divisors (see below), whose sum is σ = 13771386720. Its totient is φ = 3631910400.

The previous prime is 8191952459. The next prime is 8191952507. The reversal of 8191952486 is 6842591918.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81896 + ... + 151956.

It is an arithmetic number, because the mean of its divisors is an integer number (430355835).

Almost surely, 2^8191952486 is an apocalyptic number.

8191952486 is a deficient number, since it is larger than the sum of its proper divisors (5579434234).

8191952486 is a wasteful number, since it uses less digits than its factorization.

8191952486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70280.

The product of its digits is 1244160, while the sum is 53.

The square root of 8191952486 is about 90509.4055112506. The cubic root of 8191952486 is about 2015.8697824357.

The spelling of 8191952486 in words is "eight billion, one hundred ninety-one million, nine hundred fifty-two thousand, four hundred eighty-six".