3654655606213 has 2 divisors, whose sum is σ = 3654655606214. Its totient is φ = 3654655606212.

The previous prime is 3654655606177. The next prime is 3654655606229. The reversal of 3654655606213 is 3126065564563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2798738281249 + 855917324964 = 1672943^2 + 925158^2 .

It is an emirp because it is prime and its reverse (3126065564563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3654655606213 - 2⁹ = 3654655605701 is a prime.

It is a super-2 number, since 2×3654655606213² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3654655606253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827327803106 + 1827327803107.

It is an arithmetic number, because the mean of its divisors is an integer number (1827327803107).

Almost surely, 2^{3654655606213} is an apocalyptic number.

It is an amenable number.

3654655606213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654655606213 is an equidigital number, since it uses as much as digits as its factorization.

3654655606213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 3654655606213 in words is "three trillion, six hundred fifty-four billion, six hundred fifty-five million, six hundred six thousand, two hundred thirteen".