3806239406205 has 64 divisors (see below), whose sum is σ = 6377287790592. Its totient is φ = 1934856168960.

The previous prime is 3806239406197. The next prime is 3806239406303. The reversal of 3806239406205 is 5026049326083.

It is not a de Polignac number, because 3806239406205 - 2³ = 3806239406197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 494891410 + ... + 494899100.

It is an arithmetic number, because the mean of its divisors is an integer number (99645121728).

Almost surely, 2^{3806239406205} is an apocalyptic number.

It is an amenable number.

3806239406205 is a deficient number, since it is larger than the sum of its proper divisors (2571048384387).

3806239406205 is a wasteful number, since it uses less digits than its factorization.

3806239406205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12618.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 3806239406205 in words is "three trillion, eight hundred six billion, two hundred thirty-nine million, four hundred six thousand, two hundred five".