13489874437 has 16 divisors (see below), whose sum is σ = 14964647152. Its totient is φ = 12079549440.

The previous prime is 13489874393. The next prime is 13489874479. The reversal of 13489874437 is 73447898431.

It can be written as a sum of positive squares in 8 ways, for example, as 137147521 + 13352726916 = 11711^2 + 115554^2 .

It is a cyclic number.

It is not a de Polignac number, because 13489874437 - 2¹⁵ = 13489841669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13489874137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120487 + ... + 203707.

It is an arithmetic number, because the mean of its divisors is an integer number (935290447).

Almost surely, 2^13489874437 is an apocalyptic number.

It is an amenable number.

13489874437 is a deficient number, since it is larger than the sum of its proper divisors (1474772715).

13489874437 is a wasteful number, since it uses less digits than its factorization.

13489874437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83608.

The product of its digits is 16257024, while the sum is 58.

The spelling of 13489874437 in words is "thirteen billion, four hundred eighty-nine million, eight hundred seventy-four thousand, four hundred thirty-seven".