806619534499 has 2 divisors, whose sum is σ = 806619534500. Its totient is φ = 806619534498.

The previous prime is 806619534377. The next prime is 806619534517. The reversal of 806619534499 is 994435916608.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 806619534499 - 2²⁷ = 806485316771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 806619534499.

It is not a weakly prime, because it can be changed into another prime (806619514499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403309767249 + 403309767250.

It is an arithmetic number, because the mean of its divisors is an integer number (403309767250).

Almost surely, 2^806619534499 is an apocalyptic number.

806619534499 is a deficient number, since it is larger than the sum of its proper divisors (1).

806619534499 is an equidigital number, since it uses as much as digits as its factorization.

806619534499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 806619534499 in words is "eight hundred six billion, six hundred nineteen million, five hundred thirty-four thousand, four hundred ninety-nine".