13489874137 has 2 divisors, whose sum is σ = 13489874138. Its totient is φ = 13489874136.

The previous prime is 13489874093. The next prime is 13489874143. The reversal of 13489874137 is 73147898431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11708105616 + 1781768521 = 108204^2 + 42211^2 .

It is a cyclic number.

It is not a de Polignac number, because 13489874137 - 2¹¹ = 13489872089 is a prime.

It is not a weakly prime, because it can be changed into another prime (13489874147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6744937068 + 6744937069.

It is an arithmetic number, because the mean of its divisors is an integer number (6744937069).

Almost surely, 2^13489874137 is an apocalyptic number.

It is an amenable number.

13489874137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13489874137 is an equidigital number, since it uses as much as digits as its factorization.

13489874137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 55.

The spelling of 13489874137 in words is "thirteen billion, four hundred eighty-nine million, eight hundred seventy-four thousand, one hundred thirty-seven".