804207382991 has 2 divisors, whose sum is σ = 804207382992. Its totient is φ = 804207382990.

The previous prime is 804207382969. The next prime is 804207383003. The reversal of 804207382991 is 199283702408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804207382991 - 2³⁴ = 787027513807 is a prime.

It is a super-2 number, since 2×804207382991² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804207382961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402103691495 + 402103691496.

It is an arithmetic number, because the mean of its divisors is an integer number (402103691496).

Almost surely, 2^804207382991 is an apocalyptic number.

804207382991 is a deficient number, since it is larger than the sum of its proper divisors (1).

804207382991 is an equidigital number, since it uses as much as digits as its factorization.

804207382991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 804207382991 in words is "eight hundred four billion, two hundred seven million, three hundred eighty-two thousand, nine hundred ninety-one".