3655402060613 has 4 divisors (see below), whose sum is σ = 3671090481708. Its totient is φ = 3639713639520.

The previous prime is 3655402060511. The next prime is 3655402060649. The reversal of 3655402060613 is 3160602045563.

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 318781064449 + 3336620996164 = 564607^2 + 1826642^2 .

It is a cyclic number.

It is not a de Polignac number, because 3655402060613 - 2¹⁸ = 3655401798469 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 (3655402065613) 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 3 ways as a sum of consecutive naturals, for example, 7844210198 + ... + 7844210663.

It is an arithmetic number, because the mean of its divisors is an integer number (917772620427).

Almost surely, 2^{3655402060613} is an apocalyptic number.

It is an amenable number.

3655402060613 is a deficient number, since it is larger than the sum of its proper divisors (15688421095).

3655402060613 is a wasteful number, since it uses less digits than its factorization.

3655402060613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15688421094.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 3655402060613 in words is "three trillion, six hundred fifty-five billion, four hundred two million, sixty thousand, six hundred thirteen".