13289489737 has 4 divisors (see below), whose sum is σ = 13289942916. Its totient is φ = 13289036560.

The previous prime is 13289489671. The next prime is 13289489767. The reversal of 13289489737 is 73798498231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73798498231 = 1823 ⋅40481897.

It can be written as a sum of positive squares in 2 ways, for example, as 3084247296 + 10205242441 = 55536^2 + 101021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13289489737 is a prime.

It is a super-2 number, since 2×13289489737² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13289489767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179314 + ... + 242347.

It is an arithmetic number, because the mean of its divisors is an integer number (3322485729).

Almost surely, 2^13289489737 is an apocalyptic number.

It is an amenable number.

13289489737 is a deficient number, since it is larger than the sum of its proper divisors (453179).

13289489737 is an equidigital number, since it uses as much as digits as its factorization.

13289489737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453178.

The product of its digits is 18289152, while the sum is 61.

The spelling of 13289489737 in words is "thirteen billion, two hundred eighty-nine million, four hundred eighty-nine thousand, seven hundred thirty-seven".