3807945009 has 12 divisors (see below), whose sum is σ = 6000398352. Its totient is φ = 2307845400.

The previous prime is 3807944953. The next prime is 3807945017. The reversal of 3807945009 is 9005497083.

It is not a de Polignac number, because 3807945009 - 2⁸ = 3807944753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3807945409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19231947 + ... + 19232144.

It is an arithmetic number, because the mean of its divisors is an integer number (500033196).

Almost surely, 2^3807945009 is an apocalyptic number.

It is an amenable number.

3807945009 is a deficient number, since it is larger than the sum of its proper divisors (2192453343).

3807945009 is a wasteful number, since it uses less digits than its factorization.

3807945009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38464108 (or 38464105 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 3807945009 is about 61708.5489134204. The cubic root of 3807945009 is about 1561.5775474146.

The spelling of 3807945009 in words is "three billion, eight hundred seven million, nine hundred forty-five thousand, nine".