804352881931 has 2 divisors, whose sum is σ = 804352881932. Its totient is φ = 804352881930.

The previous prime is 804352881883. The next prime is 804352881949. The reversal of 804352881931 is 139188253408.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 804352881931 - 2¹⁹ = 804352357643 is a prime.

It is a super-2 number, since 2×804352881931² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (804352888931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402176440965 + 402176440966.

It is an arithmetic number, because the mean of its divisors is an integer number (402176440966).

Almost surely, 2^804352881931 is an apocalyptic number.

804352881931 is a deficient number, since it is larger than the sum of its proper divisors (1).

804352881931 is an equidigital number, since it uses as much as digits as its factorization.

804352881931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 804352881931 in words is "eight hundred four billion, three hundred fifty-two million, eight hundred eighty-one thousand, nine hundred thirty-one".