13535620201 has 16 divisors (see below), whose sum is σ = 14727327120. Its totient is φ = 12388239360.

The previous prime is 13535620187. The next prime is 13535620211. The reversal of 13535620201 is 10202653531.

It can be written as a sum of positive squares in 8 ways, for example, as 3060302400 + 10475317801 = 55320^2 + 102349^2 .

It is not a de Polignac number, because 13535620201 - 2¹³ = 13535612009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13535620201.

It is not an unprimeable number, because it can be changed into a prime (13535620211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392165 + ... + 1401853.

It is an arithmetic number, because the mean of its divisors is an integer number (920457945).

Almost surely, 2^13535620201 is an apocalyptic number.

It is an amenable number.

13535620201 is a deficient number, since it is larger than the sum of its proper divisors (1191706919).

13535620201 is a wasteful number, since it uses less digits than its factorization.

13535620201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 13535620201 in words is "thirteen billion, five hundred thirty-five million, six hundred twenty thousand, two hundred one".