13645041563634 has 32 divisors (see below), whose sum is σ = 29576513440320. Its totient is φ = 4171732448832.

The previous prime is 13645041563623. The next prime is 13645041563651. The reversal of 13645041563634 is 43636514054631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557110144 + ... + 557134635.

It is an arithmetic number, because the mean of its divisors is an integer number (924266045010).

Almost surely, 2^{13645041563634} is an apocalyptic number.

13645041563634 is an abundant number, since it is smaller than the sum of its proper divisors (15931471876686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13645041563634 is a wasteful number, since it uses less digits than its factorization.

13645041563634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114244954.

The product of its (nonzero) digits is 9331200, while the sum is 51.

The spelling of 13645041563634 in words is "thirteen trillion, six hundred forty-five billion, forty-one million, five hundred sixty-three thousand, six hundred thirty-four".