3664450949 has 2 divisors, whose sum is σ = 3664450950. Its totient is φ = 3664450948.

The previous prime is 3664450877. The next prime is 3664450961. The reversal of 3664450949 is 9490544663.

3664450949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3554305924 + 110145025 = 59618^2 + 10495^2 .

It is a cyclic number.

It is not a de Polignac number, because 3664450949 - 2⁸ = 3664450693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3664450897 and 3664450906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3664450969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832225474 + 1832225475.

It is an arithmetic number, because the mean of its divisors is an integer number (1832225475).

Almost surely, 2^3664450949 is an apocalyptic number.

It is an amenable number.

3664450949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664450949 is an equidigital number, since it uses as much as digits as its factorization.

3664450949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 50.

The square root of 3664450949 is about 60534.7086306691. The cubic root of 3664450949 is about 1541.7109994452.

The spelling of 3664450949 in words is "three billion, six hundred sixty-four million, four hundred fifty thousand, nine hundred forty-nine".