3706642620313 has 4 divisors (see below), whose sum is σ = 3706861615360. Its totient is φ = 3706423625268.

The previous prime is 3706642620253. The next prime is 3706642620389. The reversal of 3706642620313 is 3130262466073.

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 3706642620313 - 2²⁵ = 3706609065881 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 3706642620313.

It is not an unprimeable number, because it can be changed into a prime (3706642620013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109472133 + ... + 109505986.

It is an arithmetic number, because the mean of its divisors is an integer number (926715403840).

Almost surely, 2^{3706642620313} is an apocalyptic number.

It is an amenable number.

3706642620313 is a deficient number, since it is larger than the sum of its proper divisors (218995047).

3706642620313 is a wasteful number, since it uses less digits than its factorization.

3706642620313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218995046.

The product of its (nonzero) digits is 653184, while the sum is 43.

The spelling of 3706642620313 in words is "three trillion, seven hundred six billion, six hundred forty-two million, six hundred twenty thousand, three hundred thirteen".