13961389885 has 8 divisors (see below), whose sum is σ = 16762749696. Its totient is φ = 11163057360.

The previous prime is 13961389801. The next prime is 13961389933. The reversal of 13961389885 is 58898316931.

13961389885 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 13961389885 - 2¹⁷ = 13961258813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 746661 + ... + 765130.

It is an arithmetic number, because the mean of its divisors is an integer number (2095343712).

Almost surely, 2^13961389885 is an apocalyptic number.

It is an amenable number.

13961389885 is a deficient number, since it is larger than the sum of its proper divisors (2801359811).

13961389885 is a wasteful number, since it uses less digits than its factorization.

13961389885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513643.

The product of its digits is 11197440, while the sum is 61.

The spelling of 13961389885 in words is "thirteen billion, nine hundred sixty-one million, three hundred eighty-nine thousand, eight hundred eighty-five".