3654656144089 has 2 divisors, whose sum is σ = 3654656144090. Its totient is φ = 3654656144088.

The previous prime is 3654656144071. The next prime is 3654656144131. The reversal of 3654656144089 is 9804416564563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2352051649600 + 1302604494489 = 1533640^2 + 1141317^2 .

It is a cyclic number.

It is not a de Polignac number, because 3654656144089 - 2⁷ = 3654656143961 is a prime.

It is not a weakly prime, because it can be changed into another prime (3654659144089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827328072044 + 1827328072045.

It is an arithmetic number, because the mean of its divisors is an integer number (1827328072045).

Almost surely, 2^{3654656144089} is an apocalyptic number.

It is an amenable number.

3654656144089 is a deficient number, since it is larger than the sum of its proper divisors (1).

3654656144089 is an equidigital number, since it uses as much as digits as its factorization.

3654656144089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74649600, while the sum is 61.

The spelling of 3654656144089 in words is "three trillion, six hundred fifty-four billion, six hundred fifty-six million, one hundred forty-four thousand, eighty-nine".