3655140106613 has 4 divisors (see below), whose sum is σ = 3753927677100. Its totient is φ = 3556352536128.

The previous prime is 3655140106589. The next prime is 3655140106663. The reversal of 3655140106613 is 3166010415563.

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 3139618978609 + 515521128004 = 1771897^2 + 717998^2 .

It is a cyclic number.

It is not a de Polignac number, because 3655140106613 - 2¹⁸ = 3655139844469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655140106663) 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, 49393785188 + ... + 49393785261.

It is an arithmetic number, because the mean of its divisors is an integer number (938481919275).

Almost surely, 2^{3655140106613} is an apocalyptic number.

It is an amenable number.

3655140106613 is a deficient number, since it is larger than the sum of its proper divisors (98787570487).

3655140106613 is an equidigital number, since it uses as much as digits as its factorization.

3655140106613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98787570486.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 3655140106613 in words is "three trillion, six hundred fifty-five billion, one hundred forty million, one hundred six thousand, six hundred thirteen".