13537466189 has 4 divisors (see below), whose sum is σ = 14578809756. Its totient is φ = 12496122624.

The previous prime is 13537466171. The next prime is 13537466207. The reversal of 13537466189 is 98166473531.

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

It is an interprime number because it is at equal distance from previous prime (13537466171) and next prime (13537466207).

It can be written as a sum of positive squares in 2 ways, for example, as 8458480900 + 5078985289 = 91970^2 + 71267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13537466189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13537466189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13537466119) 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, 520671764 + ... + 520671789.

It is an arithmetic number, because the mean of its divisors is an integer number (3644702439).

Almost surely, 2^13537466189 is an apocalyptic number.

It is an amenable number.

13537466189 is a deficient number, since it is larger than the sum of its proper divisors (1041343567).

13537466189 is a wasteful number, since it uses less digits than its factorization.

13537466189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041343566.

The product of its digits is 3265920, while the sum is 53.

The spelling of 13537466189 in words is "thirteen billion, five hundred thirty-seven million, four hundred sixty-six thousand, one hundred eighty-nine".