13217870263 has 16 divisors (see below), whose sum is σ = 14363639136. Its totient is φ = 12090798720.

The previous prime is 13217870261. The next prime is 13217870291. The reversal of 13217870263 is 36207871231.

It is a happy number.

It is not a de Polignac number, because 13217870263 - 2¹ = 13217870261 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 (13217870261) 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 15 ways as a sum of consecutive naturals, for example, 1284045 + ... + 1294297.

It is an arithmetic number, because the mean of its divisors is an integer number (897727446).

Almost surely, 2^13217870263 is an apocalyptic number.

13217870263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13217870263 is a deficient number, since it is larger than the sum of its proper divisors (1145768873).

13217870263 is a wasteful number, since it uses less digits than its factorization.

13217870263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11154.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 13217870263 in words is "thirteen billion, two hundred seventeen million, eight hundred seventy thousand, two hundred sixty-three".