3806985600001 has 4 divisors (see below), whose sum is σ = 3807234616900. Its totient is φ = 3806736583104.

The previous prime is 3806985599933. The next prime is 3806985600071. The reversal of 3806985600001 is 1000065896083.

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 1354316390001 + 2452669210000 = 1163751^2 + 1566100^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806985600001 - 2¹³ = 3806985591809 is a prime.

It is a super-2 number, since 2×3806985600001² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806985600071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124485516 + ... + 124516093.

It is an arithmetic number, because the mean of its divisors is an integer number (951808654225).

Almost surely, 2^{3806985600001} is an apocalyptic number.

It is an amenable number.

3806985600001 is a deficient number, since it is larger than the sum of its proper divisors (249016899).

3806985600001 is a wasteful number, since it uses less digits than its factorization.

3806985600001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249016898.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 3806985600001 in words is "three trillion, eight hundred six billion, nine hundred eighty-five million, six hundred thousand, one".