804606566431 has 2 divisors, whose sum is σ = 804606566432. Its totient is φ = 804606566430.

The previous prime is 804606566333. The next prime is 804606566443. The reversal of 804606566431 is 134665606408.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804606566431 - 2⁷ = 804606566303 is a prime.

It is a super-2 number, since 2×804606566431² (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 (804606566131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402303283215 + 402303283216.

It is an arithmetic number, because the mean of its divisors is an integer number (402303283216).

Almost surely, 2^804606566431 is an apocalyptic number.

804606566431 is a deficient number, since it is larger than the sum of its proper divisors (1).

804606566431 is an equidigital number, since it uses as much as digits as its factorization.

804606566431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 804606566431 in words is "eight hundred four billion, six hundred six million, five hundred sixty-six thousand, four hundred thirty-one".