13608220201 has 2 divisors, whose sum is σ = 13608220202. Its totient is φ = 13608220200.

The previous prime is 13608220189. The next prime is 13608220237. The reversal of 13608220201 is 10202280631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10020210201 + 3588010000 = 100101^2 + 59900^2 .

It is a cyclic number.

It is not a de Polignac number, because 13608220201 - 2¹⁷ = 13608089129 is a prime.

It is not a weakly prime, because it can be changed into another prime (13608220291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6804110100 + 6804110101.

It is an arithmetic number, because the mean of its divisors is an integer number (6804110101).

Almost surely, 2^13608220201 is an apocalyptic number.

It is an amenable number.

13608220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13608220201 is an equidigital number, since it uses as much as digits as its factorization.

13608220201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 13608220201 in words is "thirteen billion, six hundred eight million, two hundred twenty thousand, two hundred one".