3649459771 has 2 divisors, whose sum is σ = 3649459772. Its totient is φ = 3649459770.

The previous prime is 3649459757. The next prime is 3649459811. The reversal of 3649459771 is 1779549463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3649459771 - 2⁷ = 3649459643 is a prime.

It is not a weakly prime, because it can be changed into another prime (3649459171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824729885 + 1824729886.

It is an arithmetic number, because the mean of its divisors is an integer number (1824729886).

Almost surely, 2^3649459771 is an apocalyptic number.

3649459771 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649459771 is an equidigital number, since it uses as much as digits as its factorization.

3649459771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 55.

The square root of 3649459771 is about 60410.7587355100. The cubic root of 3649459771 is about 1539.6057588397.

The spelling of 3649459771 in words is "three billion, six hundred forty-nine million, four hundred fifty-nine thousand, seven hundred seventy-one".