801409711841 has 2 divisors, whose sum is σ = 801409711842. Its totient is φ = 801409711840.

The previous prime is 801409711829. The next prime is 801409711897. The reversal of 801409711841 is 148117904108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472388163025 + 329021548816 = 687305^2 + 573604^2 .

It is a cyclic number.

It is not a de Polignac number, because 801409711841 - 2⁶ = 801409711777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 801409711792 and 801409711801.

It is not a weakly prime, because it can be changed into another prime (801409711541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400704855920 + 400704855921.

It is an arithmetic number, because the mean of its divisors is an integer number (400704855921).

Almost surely, 2^801409711841 is an apocalyptic number.

It is an amenable number.

801409711841 is a deficient number, since it is larger than the sum of its proper divisors (1).

801409711841 is an equidigital number, since it uses as much as digits as its factorization.

801409711841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 44.

The spelling of 801409711841 in words is "eight hundred one billion, four hundred nine million, seven hundred eleven thousand, eight hundred forty-one".