13454632405 has 16 divisors (see below), whose sum is σ = 17287389360. Its totient is φ = 10016714752.

The previous prime is 13454632379. The next prime is 13454632421. The reversal of 13454632405 is 50423645431.

It can be written as a sum of positive squares in 8 ways, for example, as 369331524 + 13085300881 = 19218^2 + 114391^2 .

It is a cyclic number.

It is not a de Polignac number, because 13454632405 - 2²¹ = 13452535253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 881704 + ... + 896833.

It is an arithmetic number, because the mean of its divisors is an integer number (1080461835).

Almost surely, 2^13454632405 is an apocalyptic number.

It is an amenable number.

13454632405 is a deficient number, since it is larger than the sum of its proper divisors (3832756955).

13454632405 is a wasteful number, since it uses less digits than its factorization.

13454632405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778648.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 13454632405 in words is "thirteen billion, four hundred fifty-four million, six hundred thirty-two thousand, four hundred five".