13491936860 has 24 divisors (see below), whose sum is σ = 29824282320. Its totient is φ = 5112733824.

The previous prime is 13491936853. The next prime is 13491936893. The reversal of 13491936860 is 6863919431.

13491936860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13491936799 and 13491936808.

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, 17752169 + ... + 17752928.

It is an arithmetic number, because the mean of its divisors is an integer number (1242678430).

Almost surely, 2^13491936860 is an apocalyptic number.

13491936860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13491936860 is an abundant number, since it is smaller than the sum of its proper divisors (16332345460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13491936860 is a wasteful number, since it uses less digits than its factorization.

13491936860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35505125 (or 35505123 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 13491936860 in words is "thirteen billion, four hundred ninety-one million, nine hundred thirty-six thousand, eight hundred sixty".