13639940841 has 8 divisors (see below), whose sum is σ = 18416798080. Its totient is φ = 8978188752.

The previous prime is 13639940791. The next prime is 13639940857. The reversal of 13639940841 is 14804993631.

13639940841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13639940841 - 2¹⁷ = 13639809769 is a prime.

It is a super-2 number, since 2×13639940841² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13639940891) 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 7 ways as a sum of consecutive naturals, for example, 28776010 + ... + 28776483.

It is an arithmetic number, because the mean of its divisors is an integer number (2302099760).

Almost surely, 2^13639940841 is an apocalyptic number.

It is an amenable number.

13639940841 is a deficient number, since it is larger than the sum of its proper divisors (4776857239).

13639940841 is an equidigital number, since it uses as much as digits as its factorization.

13639940841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57552575.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 13639940841 in words is "thirteen billion, six hundred thirty-nine million, nine hundred forty thousand, eight hundred forty-one".