804675561139 has 2 divisors, whose sum is σ = 804675561140. Its totient is φ = 804675561138.

The previous prime is 804675561119. The next prime is 804675561181. The reversal of 804675561139 is 931165576408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 804675561139 - 2²¹ = 804673463987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 804675561139.

It is not a weakly prime, because it can be changed into another prime (804675561119) 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, 402337780569 + 402337780570.

It is an arithmetic number, because the mean of its divisors is an integer number (402337780570).

Almost surely, 2^804675561139 is an apocalyptic number.

804675561139 is a deficient number, since it is larger than the sum of its proper divisors (1).

804675561139 is an equidigital number, since it uses as much as digits as its factorization.

804675561139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 804675561139 in words is "eight hundred four billion, six hundred seventy-five million, five hundred sixty-one thousand, one hundred thirty-nine".