13535514021 has 32 divisors (see below), whose sum is σ = 18585262080. Its totient is φ = 8758923264.

The previous prime is 13535514001. The next prime is 13535514197. The reversal of 13535514021 is 12041553531.

It is not a de Polignac number, because 13535514021 - 2⁵ = 13535513989 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13535514021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13535514001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6044220 + ... + 6046458.

It is an arithmetic number, because the mean of its divisors is an integer number (580789440).

Almost surely, 2^13535514021 is an apocalyptic number.

It is an amenable number.

13535514021 is a deficient number, since it is larger than the sum of its proper divisors (5049748059).

13535514021 is a wasteful number, since it uses less digits than its factorization.

13535514021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13535514021 in words is "thirteen billion, five hundred thirty-five million, five hundred fourteen thousand, twenty-one".