13409587641 has 8 divisors (see below), whose sum is σ = 18931182624. Its totient is φ = 8413858880.

The previous prime is 13409587637. The next prime is 13409587657. The reversal of 13409587641 is 14678590431.

13409587641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13409587641 - 2² = 13409587637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13409587691) 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 7 ways as a sum of consecutive naturals, for example, 131466495 + ... + 131466596.

It is an arithmetic number, because the mean of its divisors is an integer number (2366397828).

Almost surely, 2^13409587641 is an apocalyptic number.

It is an amenable number.

13409587641 is a deficient number, since it is larger than the sum of its proper divisors (5521594983).

13409587641 is a wasteful number, since it uses less digits than its factorization.

13409587641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262933111.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 13409587641 in words is "thirteen billion, four hundred nine million, five hundred eighty-seven thousand, six hundred forty-one".