38530307713 has 4 divisors (see below), whose sum is σ = 40796796420. Its totient is φ = 36263819008.

The previous prime is 38530307701. The next prime is 38530307749. The reversal of 38530307713 is 31770303583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31770303583 = 20627 ⋅1540229.

It can be written as a sum of positive squares in 2 ways, for example, as 29782820929 + 8747486784 = 172577^2 + 93528^2 .

It is a de Polignac number, because none of the positive numbers 2^k-38530307713 is a prime.

It is a super-2 number, since 2×38530307713² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38530307513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133244328 + ... + 1133244361.

It is an arithmetic number, because the mean of its divisors is an integer number (10199199105).

Almost surely, 2^38530307713 is an apocalyptic number.

It is an amenable number.

38530307713 is a deficient number, since it is larger than the sum of its proper divisors (2266488707).

38530307713 is a wasteful number, since it uses less digits than its factorization.

38530307713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266488706.

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 38530307713 in words is "thirty-eight billion, five hundred thirty million, three hundred seven thousand, seven hundred thirteen".