3546364136521 has 4 divisors (see below), whose sum is σ = 3546523352772. Its totient is φ = 3546204920272.

The previous prime is 3546364136509. The next prime is 3546364136563. The reversal of 3546364136521 is 1256314636453.

3546364136521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1539435747600 + 2006928388921 = 1240740^2 + 1416661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3546364136521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3546364136621) 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, 79574710 + ... + 79619263.

It is an arithmetic number, because the mean of its divisors is an integer number (886630838193).

Almost surely, 2^{3546364136521} is an apocalyptic number.

It is an amenable number.

3546364136521 is a deficient number, since it is larger than the sum of its proper divisors (159216251).

3546364136521 is a wasteful number, since it uses less digits than its factorization.

3546364136521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159216250.

The product of its digits is 4665600, while the sum is 49.

The spelling of 3546364136521 in words is "three trillion, five hundred forty-six billion, three hundred sixty-four million, one hundred thirty-six thousand, five hundred twenty-one".