3847485009 has 16 divisors (see below), whose sum is σ = 5401313280. Its totient is φ = 2429390160.

The previous prime is 3847485007. The next prime is 3847485017. The reversal of 3847485009 is 9005847483.

It is not a de Polignac number, because 3847485009 - 2¹ = 3847485007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3847485007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389044 + ... + 398810.

It is an arithmetic number, because the mean of its divisors is an integer number (337582080).

Almost surely, 2^3847485009 is an apocalyptic number.

It is an amenable number.

3847485009 is a deficient number, since it is larger than the sum of its proper divisors (1553828271).

3847485009 is a wasteful number, since it uses less digits than its factorization.

3847485009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16700.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 3847485009 is about 62028.0985441276. The cubic root of 3847485009 is about 1566.9638551097.

The spelling of 3847485009 in words is "three billion, eight hundred forty-seven million, four hundred eighty-five thousand, nine".