3805132631065 has 16 divisors (see below), whose sum is σ = 4584734206992. Its totient is φ = 3031726915584.

The previous prime is 3805132631009. The next prime is 3805132631089. The reversal of 3805132631065 is 5601362315083.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 20166272064 + 3784966359001 = 142008^2 + 1945499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3805132631065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7113967 + ... + 7630123.

It is an arithmetic number, because the mean of its divisors is an integer number (286545887937).

Almost surely, 2^{3805132631065} is an apocalyptic number.

It is an amenable number.

3805132631065 is a deficient number, since it is larger than the sum of its proper divisors (779601575927).

3805132631065 is a wasteful number, since it uses less digits than its factorization.

3805132631065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522156.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 3805132631065 in words is "three trillion, eight hundred five billion, one hundred thirty-two million, six hundred thirty-one thousand, sixty-five".