13405473927 has 24 divisors (see below), whose sum is σ = 19516891680. Its totient is φ = 8866428480.

The previous prime is 13405473899. The next prime is 13405473941. The reversal of 13405473927 is 72937450431.

13405473927 is a `hidden beast` number, since 13 + 4 + 0 + 547 + 3 + 92 + 7 = 666.

13405473927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13405473927 - 2⁶ = 13405473863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405473227) 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 23 ways as a sum of consecutive naturals, for example, 625977 + ... + 647037.

It is an arithmetic number, because the mean of its divisors is an integer number (813203820).

Almost surely, 2^13405473927 is an apocalyptic number.

13405473927 is a deficient number, since it is larger than the sum of its proper divisors (6111417753).

13405473927 is a wasteful number, since it uses less digits than its factorization.

13405473927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21623 (or 21620 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 13405473927 in words is "thirteen billion, four hundred five million, four hundred seventy-three thousand, nine hundred twenty-seven".