13526821850 has 24 divisors (see below), whose sum is σ = 25163538240. Its totient is φ = 5409943920.

The previous prime is 13526821849. The next prime is 13526821871. The reversal of 13526821850 is 5812862531.

It is a junction number, because it is equal to n+sod(n) for n = 13526821798 and 13526821807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430991 + ... + 461309.

It is an arithmetic number, because the mean of its divisors is an integer number (1048480760).

Almost surely, 2^13526821850 is an apocalyptic number.

13526821850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13526821850 is a deficient number, since it is larger than the sum of its proper divisors (11636716390).

13526821850 is a wasteful number, since it uses less digits than its factorization.

13526821850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39254 (or 39249 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 41.

The spelling of 13526821850 in words is "thirteen billion, five hundred twenty-six million, eight hundred twenty-one thousand, eight hundred fifty".