3992080345565 has 16 divisors (see below), whose sum is σ = 5161437866928. Its totient is φ = 2946602520576.

The previous prime is 3992080345559. The next prime is 3992080345639. The reversal of 3992080345565 is 5655430802993.

It can be written as a sum of positive squares in 8 ways, for example, as 538864637476 + 3453215708089 = 734074^2 + 1858283^2 .

It is not a de Polignac number, because 3992080345565 - 2²⁴ = 3992063568349 is a prime.

It is a Duffinian number.

It is a congruent 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, 14395694 + ... + 14670383.

It is an arithmetic number, because the mean of its divisors is an integer number (322589866683).

Almost surely, 2^{3992080345565} is an apocalyptic number.

It is an amenable number.

3992080345565 is a deficient number, since it is larger than the sum of its proper divisors (1169357521363).

3992080345565 is a wasteful number, since it uses less digits than its factorization.

3992080345565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29068208.

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 3992080345565 in words is "three trillion, nine hundred ninety-two billion, eighty million, three hundred forty-five thousand, five hundred sixty-five".