3645706013 has 4 divisors (see below), whose sum is σ = 3645888288. Its totient is φ = 3645523740.

The previous prime is 3645706007. The next prime is 3645706061. The reversal of 3645706013 is 3106075463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3645706013 - 2¹⁴ = 3645689629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645706063) by changing a digit.

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, 56831 + ... + 102572.

It is an arithmetic number, because the mean of its divisors is an integer number (911472072).

Almost surely, 2^3645706013 is an apocalyptic number.

It is an amenable number.

3645706013 is a deficient number, since it is larger than the sum of its proper divisors (182275).

3645706013 is a wasteful number, since it uses less digits than its factorization.

3645706013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182274.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 3645706013 is about 60379.6821207267. The cubic root of 3645706013 is about 1539.0777089893.

The spelling of 3645706013 in words is "three billion, six hundred forty-five million, seven hundred six thousand, thirteen".