38539379309 has 4 divisors (see below), whose sum is σ = 38539775904. Its totient is φ = 38538982716.

The previous prime is 38539379303. The next prime is 38539379311. The reversal of 38539379309 is 90397393583.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38539379309 - 2¹² = 38539375213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38539379303) 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, 57194 + ... + 283460.

It is an arithmetic number, because the mean of its divisors is an integer number (9634943976).

Almost surely, 2^38539379309 is an apocalyptic number.

It is an amenable number.

38539379309 is a deficient number, since it is larger than the sum of its proper divisors (396595).

38539379309 is a wasteful number, since it uses less digits than its factorization.

38539379309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396594.

The product of its (nonzero) digits is 16533720, while the sum is 59.

The spelling of 38539379309 in words is "thirty-eight billion, five hundred thirty-nine million, three hundred seventy-nine thousand, three hundred nine".