15327638413 has 4 divisors (see below), whose sum is σ = 16229264220. Its totient is φ = 14426012608.

The previous prime is 15327638411. The next prime is 15327638423. The reversal of 15327638413 is 31483672351.

15327638413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9912591844 + 5415046569 = 99562^2 + 73587^2 .

It is a cyclic number.

It is not a de Polignac number, because 15327638413 - 2¹ = 15327638411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15327638413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15327638411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450812878 + ... + 450812911.

It is an arithmetic number, because the mean of its divisors is an integer number (4057316055).

Almost surely, 2^15327638413 is an apocalyptic number.

It is an amenable number.

15327638413 is a deficient number, since it is larger than the sum of its proper divisors (901625807).

15327638413 is an equidigital number, since it uses as much as digits as its factorization.

15327638413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901625806.

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

The spelling of 15327638413 in words is "fifteen billion, three hundred twenty-seven million, six hundred thirty-eight thousand, four hundred thirteen".