38768380993 has 4 divisors (see below), whose sum is σ = 38773997568. Its totient is φ = 38762764420.

The previous prime is 38768380979. The next prime is 38768380999. The reversal of 38768380993 is 39908386783.

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 an emirpimes, since its reverse is a distinct semiprime: 39908386783 = 15737 ⋅2535959.

It is a cyclic number.

It is not a de Polignac number, because 38768380993 - 2¹⁷ = 38768249921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38768380999) 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 in 3 ways as a sum of consecutive naturals, for example, 2797921 + ... + 2811742.

It is an arithmetic number, because the mean of its divisors is an integer number (9693499392).

Almost surely, 2^38768380993 is an apocalyptic number.

It is an amenable number.

38768380993 is a deficient number, since it is larger than the sum of its proper divisors (5616575).

38768380993 is an equidigital number, since it uses as much as digits as its factorization.

38768380993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616574.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 38768380993 in words is "thirty-eight billion, seven hundred sixty-eight million, three hundred eighty thousand, nine hundred ninety-three".