13331403046466 has 4 divisors (see below), whose sum is σ = 19997104569702. Its totient is φ = 6665701523232.

The previous prime is 13331403046433. The next prime is 13331403046477. The reversal of 13331403046466 is 66464030413331.

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

It can be written as a sum of positive squares in only one way, i.e., 8307820464241 + 5023582582225 = 2882329^2 + 2241335^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332850761615 + ... + 3332850761618.

Almost surely, 2^{13331403046466} is an apocalyptic number.

13331403046466 is a deficient number, since it is larger than the sum of its proper divisors (6665701523236).

13331403046466 is an equidigital number, since it uses as much as digits as its factorization.

13331403046466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665701523235.

The product of its (nonzero) digits is 1119744, while the sum is 44.

Adding to 13331403046466 its reverse (66464030413331), we get a palindrome (79795433459797).

The spelling of 13331403046466 in words is "thirteen trillion, three hundred thirty-one billion, four hundred three million, forty-six thousand, four hundred sixty-six".