4122660638413 has 2 divisors, whose sum is σ = 4122660638414. Its totient is φ = 4122660638412.

The previous prime is 4122660638339. The next prime is 4122660638417. The reversal of 4122660638413 is 3148360662214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3523891103209 + 598769535204 = 1877203^2 + 773802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4122660638413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4122660638417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061330319206 + 2061330319207.

It is an arithmetic number, because the mean of its divisors is an integer number (2061330319207).

Almost surely, 2^{4122660638413} is an apocalyptic number.

It is an amenable number.

4122660638413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122660638413 is an equidigital number, since it uses as much as digits as its factorization.

4122660638413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 4122660638413 in words is "four trillion, one hundred twenty-two billion, six hundred sixty million, six hundred thirty-eight thousand, four hundred thirteen".