13428650076385 has 8 divisors (see below), whose sum is σ = 16116794994600. Its totient is φ = 10741310125824.

The previous prime is 13428650076383. The next prime is 13428650076403. The reversal of 13428650076385 is 58367005682431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15827904481 + 13412822171904 = 125809^2 + 3662352^2 .

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 13428650076385 - 2¹ = 13428650076383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13428650076383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201205210 + ... + 201271939.

It is an arithmetic number, because the mean of its divisors is an integer number (2014599374325).

Almost surely, 2^{13428650076385} is an apocalyptic number.

It is an amenable number.

13428650076385 is a deficient number, since it is larger than the sum of its proper divisors (2688144918215).

13428650076385 is an equidigital number, since it uses as much as digits as its factorization.

13428650076385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402483827.

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 13428650076385 in words is "thirteen trillion, four hundred twenty-eight billion, six hundred fifty million, seventy-six thousand, three hundred eighty-five".