13550131983 has 4 divisors (see below), whose sum is σ = 18066842648. Its totient is φ = 9033421320.

The previous prime is 13550131981. The next prime is 13550132033. The reversal of 13550131983 is 38913105531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13550131983 - 2¹ = 13550131981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13550131981) 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 3 ways as a sum of consecutive naturals, for example, 2258355328 + ... + 2258355333.

It is an arithmetic number, because the mean of its divisors is an integer number (4516710662).

Almost surely, 2^13550131983 is an apocalyptic number.

13550131983 is a deficient number, since it is larger than the sum of its proper divisors (4516710665).

13550131983 is an equidigital number, since it uses as much as digits as its factorization.

13550131983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4516710664.

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 13550131983 in words is "thirteen billion, five hundred fifty million, one hundred thirty-one thousand, nine hundred eighty-three".