2039484768665 has 8 divisors (see below), whose sum is σ = 2462970141960. Its totient is φ = 1621195535232.

The previous prime is 2039484768649. The next prime is 2039484768667. The reversal of 2039484768665 is 5668674849302.

It can be written as a sum of positive squares in 4 ways, for example, as 242670523456 + 1796814245209 = 492616^2 + 1340453^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2039484768665 - 2⁴ = 2039484768649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2039484768595 and 2039484768604.

It is not an unprimeable number, because it can be changed into a prime (2039484768667) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1299034100 + ... + 1299035669.

It is an arithmetic number, because the mean of its divisors is an integer number (307871267745).

Almost surely, 2^{2039484768665} is an apocalyptic number.

It is an amenable number.

2039484768665 is a deficient number, since it is larger than the sum of its proper divisors (423485373295).

2039484768665 is a wasteful number, since it uses less digits than its factorization.

2039484768665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598069931.

The product of its (nonzero) digits is 418037760, while the sum is 68.

The spelling of 2039484768665 in words is "two trillion, thirty-nine billion, four hundred eighty-four million, seven hundred sixty-eight thousand, six hundred sixty-five".