8226685968401 has 8 divisors (see below), whose sum is σ = 8264413026504. Its totient is φ = 8189018844160.

The previous prime is 8226685968353. The next prime is 8226685968409. The reversal of 8226685968401 is 1048695866228.

It is a Cunningham number, because it is equal to 2868220²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3482239637776 + 4744446330625 = 1866076^2 + 2178175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8226685968401 - 2¹⁸ = 8226685706257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8226685968409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14708300 + ... + 15257373.

It is an arithmetic number, because the mean of its divisors is an integer number (1033051628313).

Almost surely, 2^{8226685968401} is an apocalyptic number.

It is an amenable number.

8226685968401 is a deficient number, since it is larger than the sum of its proper divisors (37727058103).

8226685968401 is a wasteful number, since it uses less digits than its factorization.

8226685968401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29966931.

The product of its (nonzero) digits is 79626240, while the sum is 65.

The spelling of 8226685968401 in words is "eight trillion, two hundred twenty-six billion, six hundred eighty-five million, nine hundred sixty-eight thousand, four hundred one".