13045640541 has 4 divisors (see below), whose sum is σ = 17394187392. Its totient is φ = 8697093692.

The previous prime is 13045640537. The next prime is 13045640561. The reversal of 13045640541 is 14504654031.

13045640541 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, 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 13045640541 - 2² = 13045640537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045640561) 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, 2174273421 + ... + 2174273426.

It is an arithmetic number, because the mean of its divisors is an integer number (4348546848).

Almost surely, 2^13045640541 is an apocalyptic number.

It is an amenable number.

13045640541 is a deficient number, since it is larger than the sum of its proper divisors (4348546851).

13045640541 is an equidigital number, since it uses as much as digits as its factorization.

13045640541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348546850.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 13045640541 in words is "thirteen billion, forty-five million, six hundred forty thousand, five hundred forty-one".