84486646499 has 2 divisors, whose sum is σ = 84486646500. Its totient is φ = 84486646498.

The previous prime is 84486646469. The next prime is 84486646501. The reversal of 84486646499 is 99464668448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84486646499 - 2⁸ = 84486646243 is a prime.

Together with 84486646501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84486646469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42243323249 + 42243323250.

It is an arithmetic number, because the mean of its divisors is an integer number (42243323250).

Almost surely, 2^84486646499 is an apocalyptic number.

84486646499 is a deficient number, since it is larger than the sum of its proper divisors (1).

84486646499 is an equidigital number, since it uses as much as digits as its factorization.

84486646499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 286654464, while the sum is 68.

The spelling of 84486646499 in words is "eighty-four billion, four hundred eighty-six million, six hundred forty-six thousand, four hundred ninety-nine".