3708609149 has 6 divisors (see below), whose sum is σ = 4314096414. Its totient is φ = 3178807800.

The previous prime is 3708609139. The next prime is 3708609181. The reversal of 3708609149 is 9419068073.

It can be written as a sum of positive squares in only one way, i.e., 3175322500 + 533286649 = 56350^2 + 23093^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3708609149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3708609139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37842902 + ... + 37842999.

It is an arithmetic number, because the mean of its divisors is an integer number (719016069).

Almost surely, 2^3708609149 is an apocalyptic number.

It is an amenable number.

3708609149 is a deficient number, since it is larger than the sum of its proper divisors (605487265).

3708609149 is an equidigital number, since it uses as much as digits as its factorization.

3708609149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75685915 (or 75685908 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 3708609149 is about 60898.3509546851. The cubic root of 3708609149 is about 1547.8790483265.

The spelling of 3708609149 in words is "three billion, seven hundred eight million, six hundred nine thousand, one hundred forty-nine".