122663336413 has 4 divisors (see below), whose sum is σ = 125655125148. Its totient is φ = 119671547680.

The previous prime is 122663336401. The next prime is 122663336431. The reversal of 122663336413 is 314633366221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10000400004 + 112662936409 = 100002^2 + 335653^2 .

It is a cyclic number.

It is not a de Polignac number, because 122663336413 - 2⁵ = 122663336381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122663336473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495894306 + ... + 1495894387.

It is an arithmetic number, because the mean of its divisors is an integer number (31413781287).

Almost surely, 2^122663336413 is an apocalyptic number.

It is an amenable number.

122663336413 is a deficient number, since it is larger than the sum of its proper divisors (2991788735).

122663336413 is an equidigital number, since it uses as much as digits as its factorization.

122663336413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991788734.

The product of its digits is 279936, while the sum is 40.

The spelling of 122663336413 in words is "one hundred twenty-two billion, six hundred sixty-three million, three hundred thirty-six thousand, four hundred thirteen".