3813701009 has 4 divisors (see below), whose sum is σ = 3813881316. Its totient is φ = 3813520704.

The previous prime is 3813700993. The next prime is 3813701051. The reversal of 3813701009 is 9001073183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1829443984 + 1984257025 = 42772^2 + 44545^2 .

It is a cyclic number.

It is not a de Polignac number, because 3813701009 - 2⁴ = 3813700993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3813701209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53444 + ... + 102389.

It is an arithmetic number, because the mean of its divisors is an integer number (953470329).

Almost surely, 2^3813701009 is an apocalyptic number.

It is an amenable number.

3813701009 is a deficient number, since it is larger than the sum of its proper divisors (180307).

3813701009 is a wasteful number, since it uses less digits than its factorization.

3813701009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180306.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 3813701009 is about 61755.1698969406. The cubic root of 3813701009 is about 1562.3639659191.

The spelling of 3813701009 in words is "three billion, eight hundred thirteen million, seven hundred one thousand, nine".