801362414861 has 2 divisors, whose sum is σ = 801362414862. Its totient is φ = 801362414860.

The previous prime is 801362414837. The next prime is 801362414869. The reversal of 801362414861 is 168414263108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450098759236 + 351263655625 = 670894^2 + 592675^2 .

It is a cyclic number.

It is not a de Polignac number, because 801362414861 - 2²² = 801358220557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801362414869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400681207430 + 400681207431.

It is an arithmetic number, because the mean of its divisors is an integer number (400681207431).

Almost surely, 2^801362414861 is an apocalyptic number.

It is an amenable number.

801362414861 is a deficient number, since it is larger than the sum of its proper divisors (1).

801362414861 is an equidigital number, since it uses as much as digits as its factorization.

801362414861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 44.

Adding to 801362414861 its reverse (168414263108), we get a palindrome (969776677969).

The spelling of 801362414861 in words is "eight hundred one billion, three hundred sixty-two million, four hundred fourteen thousand, eight hundred sixty-one".