13373867537 has 2 divisors, whose sum is σ = 13373867538. Its totient is φ = 13373867536.

The previous prime is 13373867491. The next prime is 13373867543. The reversal of 13373867537 is 73576837331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13227070081 + 146797456 = 115009^2 + 12116^2 .

It is an emirp because it is prime and its reverse (73576837331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13373867537 - 2⁶ = 13373867473 is a prime.

It is not a weakly prime, because it can be changed into another prime (13373863537) 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 as a sum of consecutive naturals, namely, 6686933768 + 6686933769.

It is an arithmetic number, because the mean of its divisors is an integer number (6686933769).

Almost surely, 2^13373867537 is an apocalyptic number.

It is an amenable number.

13373867537 is a deficient number, since it is larger than the sum of its proper divisors (1).

13373867537 is an equidigital number, since it uses as much as digits as its factorization.

13373867537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6667920, while the sum is 53.

The spelling of 13373867537 in words is "thirteen billion, three hundred seventy-three million, eight hundred sixty-seven thousand, five hundred thirty-seven".