3808000649 has 2 divisors, whose sum is σ = 3808000650. Its totient is φ = 3808000648.

The previous prime is 3808000631. The next prime is 3808000687. The reversal of 3808000649 is 9460008083.

It is an a-pointer prime, because the next prime (3808000687) can be obtained adding 3808000649 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3757690000 + 50310649 = 61300^2 + 7093^2 .

It is a cyclic number.

It is not a de Polignac number, because 3808000649 - 2²⁰ = 3806952073 is a prime.

It is not a weakly prime, because it can be changed into another prime (3808000619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1904000324 + 1904000325.

It is an arithmetic number, because the mean of its divisors is an integer number (1904000325).

Almost surely, 2^3808000649 is an apocalyptic number.

It is an amenable number.

3808000649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3808000649 is an equidigital number, since it uses as much as digits as its factorization.

3808000649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3808000649 is about 61708.9997407185. Note that the first 3 decimals coincide. The cubic root of 3808000649 is about 1561.5851530699.

The spelling of 3808000649 in words is "three billion, eight hundred eight million, six hundred forty-nine", and thus it is an aban number.