13326417385 has 8 divisors (see below), whose sum is σ = 16932389256. Its totient is φ = 10034008320.

The previous prime is 13326417383. The next prime is 13326417409. The reversal of 13326417385 is 58371462331.

It can be written as a sum of positive squares in 4 ways, for example, as 4512211929 + 8814205456 = 67173^2 + 93884^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13326417385 - 2¹ = 13326417383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13326417383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78390606 + ... + 78390775.

It is an arithmetic number, because the mean of its divisors is an integer number (2116548657).

Almost surely, 2^13326417385 is an apocalyptic number.

It is an amenable number.

13326417385 is a deficient number, since it is larger than the sum of its proper divisors (3605971871).

13326417385 is a wasteful number, since it uses less digits than its factorization.

13326417385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156781403.

The product of its digits is 362880, while the sum is 43.

The spelling of 13326417385 in words is "thirteen billion, three hundred twenty-six million, four hundred seventeen thousand, three hundred eighty-five".