819652606039 has 2 divisors, whose sum is σ = 819652606040. Its totient is φ = 819652606038.

The previous prime is 819652605983. The next prime is 819652606061. The reversal of 819652606039 is 930606256918.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-819652606039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (819652606939) 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, 409826303019 + 409826303020.

It is an arithmetic number, because the mean of its divisors is an integer number (409826303020).

Almost surely, 2^819652606039 is an apocalyptic number.

819652606039 is a deficient number, since it is larger than the sum of its proper divisors (1).

819652606039 is an equidigital number, since it uses as much as digits as its factorization.

819652606039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 819652606039 in words is "eight hundred nineteen billion, six hundred fifty-two million, six hundred six thousand, thirty-nine".