3647652652705 has 4 divisors (see below), whose sum is σ = 4377183183252. Its totient is φ = 2918122122160.

The previous prime is 3647652652691. The next prime is 3647652652727. The reversal of 3647652652705 is 5072562567463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2752068652096 + 895584000609 = 1658936^2 + 946353^2 .

It is not a de Polignac number, because 3647652652705 - 2⁷ = 3647652652577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3647652652705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364765265266 + ... + 364765265275.

It is an arithmetic number, because the mean of its divisors is an integer number (1094295795813).

Almost surely, 2^{3647652652705} is an apocalyptic number.

It is an amenable number.

3647652652705 is a deficient number, since it is larger than the sum of its proper divisors (729530530547).

3647652652705 is an equidigital number, since it uses as much as digits as its factorization.

3647652652705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729530530546.

The product of its (nonzero) digits is 63504000, while the sum is 58.

The spelling of 3647652652705 in words is "three trillion, six hundred forty-seven billion, six hundred fifty-two million, six hundred fifty-two thousand, seven hundred five".