13387037345837 has 4 divisors (see below), whose sum is σ = 13414526129376. Its totient is φ = 13359548562300.

The previous prime is 13387037345821. The next prime is 13387037345947. The reversal of 13387037345837 is 73854373078331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13387037345837 - 2⁴ = 13387037345821 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 13387037345837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13387031345837) 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, 13744391039 + ... + 13744392012.

It is an arithmetic number, because the mean of its divisors is an integer number (3353631532344).

Almost surely, 2^{13387037345837} is an apocalyptic number.

It is an amenable number.

13387037345837 is a deficient number, since it is larger than the sum of its proper divisors (27488783539).

13387037345837 is an equidigital number, since it uses as much as digits as its factorization.

13387037345837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27488783538.

The product of its (nonzero) digits is 106686720, while the sum is 62.

The spelling of 13387037345837 in words is "thirteen trillion, three hundred eighty-seven billion, thirty-seven million, three hundred forty-five thousand, eight hundred thirty-seven".