3629985949 has 2 divisors, whose sum is σ = 3629985950. Its totient is φ = 3629985948.

The previous prime is 3629985937. The next prime is 3629985959. The reversal of 3629985949 is 9495899263.

It is a happy number.

3629985949 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., 3602160324 + 27825625 = 60018^2 + 5275^2 .

It is an emirp because it is prime and its reverse (9495899263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3629985949 - 2⁵ = 3629985917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3629985959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814992974 + 1814992975.

It is an arithmetic number, because the mean of its divisors is an integer number (1814992975).

Almost surely, 2^3629985949 is an apocalyptic number.

It is an amenable number.

3629985949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3629985949 is an equidigital number, since it uses as much as digits as its factorization.

3629985949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37791360, while the sum is 64.

The square root of 3629985949 is about 60249.3647186425. The cubic root of 3629985949 is about 1536.8623851284.

The spelling of 3629985949 in words is "three billion, six hundred twenty-nine million, nine hundred eighty-five thousand, nine hundred forty-nine".