3655381201 has 2 divisors, whose sum is σ = 3655381202. Its totient is φ = 3655381200.

The previous prime is 3655381189. The next prime is 3655381217. The reversal of 3655381201 is 1021835563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3654081601 + 1299600 = 60449^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 3655381201 - 2¹³ = 3655373009 is a prime.

It is not a weakly prime, because it can be changed into another prime (3655381001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827690600 + 1827690601.

It is an arithmetic number, because the mean of its divisors is an integer number (1827690601).

Almost surely, 2^3655381201 is an apocalyptic number.

It is an amenable number.

3655381201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3655381201 is an equidigital number, since it uses as much as digits as its factorization.

3655381201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3655381201 is about 60459.7486018591. The cubic root of 3655381201 is about 1540.4380045227.

The spelling of 3655381201 in words is "three billion, six hundred fifty-five million, three hundred eighty-one thousand, two hundred one".