13273561506 has 16 divisors (see below), whose sum is σ = 26558529984. Its totient is φ = 4422619344.

The previous prime is 13273561489. The next prime is 13273561537. The reversal of 13273561506 is 60516537231.

13273561506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 460126 + ... + 488121.

It is an arithmetic number, because the mean of its divisors is an integer number (1659908124).

Almost surely, 2^13273561506 is an apocalyptic number.

13273561506 is an abundant number, since it is smaller than the sum of its proper divisors (13284968478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13273561506 is a wasteful number, since it uses less digits than its factorization.

13273561506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950585.

The product of its (nonzero) digits is 113400, while the sum is 39.

The spelling of 13273561506 in words is "thirteen billion, two hundred seventy-three million, five hundred sixty-one thousand, five hundred six".