13403866470121 has 2 divisors, whose sum is σ = 13403866470122. Its totient is φ = 13403866470120.

The previous prime is 13403866470091. The next prime is 13403866470131. The reversal of 13403866470121 is 12107466830431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7192780708096 + 6211085762025 = 2681936^2 + 2492205^2 .

It is a cyclic number.

It is not a de Polignac number, because 13403866470121 - 2²⁵ = 13403832915689 is a prime.

It is not a weakly prime, because it can be changed into another prime (13403866470131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701933235060 + 6701933235061.

It is an arithmetic number, because the mean of its divisors is an integer number (6701933235061).

Almost surely, 2^{13403866470121} is an apocalyptic number.

It is an amenable number.

13403866470121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13403866470121 is an equidigital number, since it uses as much as digits as its factorization.

13403866470121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 13403866470121 in words is "thirteen trillion, four hundred three billion, eight hundred sixty-six million, four hundred seventy thousand, one hundred twenty-one".