38387312369 has 16 divisors (see below), whose sum is σ = 46249967616. Its totient is φ = 31164512400.

The previous prime is 38387312311. The next prime is 38387312371. The reversal of 38387312369 is 96321378383.

It is not a de Polignac number, because 38387312369 - 2¹² = 38387308273 is a prime.

It is a super-2 number, since 2×38387312369² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38387312369.

It is not an unprimeable number, because it can be changed into a prime (38387312309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871717 + ... + 1892114.

It is an arithmetic number, because the mean of its divisors is an integer number (2890622976).

Almost surely, 2^38387312369 is an apocalyptic number.

It is an amenable number.

38387312369 is a deficient number, since it is larger than the sum of its proper divisors (7862655247).

38387312369 is a wasteful number, since it uses less digits than its factorization.

38387312369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763916.

The product of its digits is 3919104, while the sum is 53.

The spelling of 38387312369 in words is "thirty-eight billion, three hundred eighty-seven million, three hundred twelve thousand, three hundred sixty-nine".