7813774104401 has 4 divisors (see below), whose sum is σ = 8153503413312. Its totient is φ = 7474044795492.

The previous prime is 7813774104397. The next prime is 7813774104403. The reversal of 7813774104401 is 1044014773187.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7813774104401 - 2² = 7813774104397 is a prime.

It is a super-2 number, since 2×7813774104401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7813774104403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169864654421 + ... + 169864654466.

It is an arithmetic number, because the mean of its divisors is an integer number (2038375853328).

Almost surely, 2^{7813774104401} is an apocalyptic number.

It is an amenable number.

7813774104401 is a deficient number, since it is larger than the sum of its proper divisors (339729308911).

7813774104401 is a wasteful number, since it uses less digits than its factorization.

7813774104401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339729308910.

The product of its (nonzero) digits is 526848, while the sum is 47.

Adding to 7813774104401 its reverse (1044014773187), we get a palindrome (8857788877588).

The spelling of 7813774104401 in words is "seven trillion, eight hundred thirteen billion, seven hundred seventy-four million, one hundred four thousand, four hundred one".