38388785901 has 4 divisors (see below), whose sum is σ = 51185047872. Its totient is φ = 25592523932.

The previous prime is 38388785887. The next prime is 38388785933. The reversal of 38388785901 is 10958788383.

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: 10958788383 = 3 ⋅3652929461.

It is a cyclic number.

It is not a de Polignac number, because 38388785901 - 2⁹ = 38388785389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38388785401) 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, 6398130981 + ... + 6398130986.

It is an arithmetic number, because the mean of its divisors is an integer number (12796261968).

Almost surely, 2^38388785901 is an apocalyptic number.

It is an amenable number.

38388785901 is a deficient number, since it is larger than the sum of its proper divisors (12796261971).

38388785901 is a wasteful number, since it uses less digits than its factorization.

38388785901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12796261970.

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 38388785901 in words is "thirty-eight billion, three hundred eighty-eight million, seven hundred eighty-five thousand, nine hundred one".