3605144749 has 2 divisors, whose sum is σ = 3605144750. Its totient is φ = 3605144748.

The previous prime is 3605144743. The next prime is 3605144771. The reversal of 3605144749 is 9474415063.

3605144749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3596400900 + 8743849 = 59970^2 + 2957^2 .

It is an emirp because it is prime and its reverse (9474415063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3605144749 - 2²⁷ = 3470927021 is a prime.

It is a super-2 number, since 2×3605144749² = 25994137322484546002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3605144743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1802572374 + 1802572375.

It is an arithmetic number, because the mean of its divisors is an integer number (1802572375).

Almost surely, 2^3605144749 is an apocalyptic number.

It is an amenable number.

3605144749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3605144749 is an equidigital number, since it uses as much as digits as its factorization.

3605144749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 3605144749 is about 60042.8576018830. The cubic root of 3605144749 is about 1533.3486042535.

The spelling of 3605144749 in words is "three billion, six hundred five million, one hundred forty-four thousand, seven hundred forty-nine".