13919477005 has 32 divisors (see below), whose sum is σ = 20234866176. Its totient is φ = 8973379584.

The previous prime is 13919477003. The next prime is 13919477009. The reversal of 13919477005 is 50077491931.

It is a cyclic number.

It is not a de Polignac number, because 13919477005 - 2¹ = 13919477003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13919477003) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 545032 + ... + 569998.

It is an arithmetic number, because the mean of its divisors is an integer number (632339568).

Almost surely, 2^13919477005 is an apocalyptic number.

It is an amenable number.

13919477005 is a deficient number, since it is larger than the sum of its proper divisors (6315389171).

13919477005 is a wasteful number, since it uses less digits than its factorization.

13919477005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25933.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 13919477005 in words is "thirteen billion, nine hundred nineteen million, four hundred seventy-seven thousand, five".