16449587484131 has 4 divisors (see below), whose sum is σ = 16449645139872. Its totient is φ = 16449529828392.

The previous prime is 16449587484091. The next prime is 16449587484167. The reversal of 16449587484131 is 13148478594461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16449587484131 is a prime.

It is a super-2 number, since 2×16449587484131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16449587484191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28397771 + ... + 28971236.

It is an arithmetic number, because the mean of its divisors is an integer number (4112411284968).

Almost surely, 2^{16449587484131} is an apocalyptic number.

16449587484131 is a deficient number, since it is larger than the sum of its proper divisors (57655741).

16449587484131 is an equidigital number, since it uses as much as digits as its factorization.

16449587484131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57655740.

The product of its digits is 92897280, while the sum is 65.

The spelling of 16449587484131 in words is "sixteen trillion, four hundred forty-nine billion, five hundred eighty-seven million, four hundred eighty-four thousand, one hundred thirty-one".