3665736741805 has 16 divisors (see below), whose sum is σ = 4545007023744. Its totient is φ = 2836732749760.

The previous prime is 3665736741787. The next prime is 3665736741839. The reversal of 3665736741805 is 5081476375663.

It is not a de Polignac number, because 3665736741805 - 2¹⁷ = 3665736610733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97396459 + ... + 97434088.

It is an arithmetic number, because the mean of its divisors is an integer number (284062938984).

Almost surely, 2^{3665736741805} is an apocalyptic number.

It is an amenable number.

3665736741805 is a deficient number, since it is larger than the sum of its proper divisors (879270281939).

3665736741805 is a wasteful number, since it uses less digits than its factorization.

3665736741805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194830676.

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 3665736741805 in words is "three trillion, six hundred sixty-five billion, seven hundred thirty-six million, seven hundred forty-one thousand, eight hundred five".