38211000389 has 4 divisors (see below), whose sum is σ = 39872348256. Its totient is φ = 36549652524.

The previous prime is 38211000361. The next prime is 38211000391. The reversal of 38211000389 is 98300011283.

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: 98300011283 = 6571 ⋅14959673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38211000389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38211000889) 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, 830673899 + ... + 830673944.

It is an arithmetic number, because the mean of its divisors is an integer number (9968087064).

Almost surely, 2^38211000389 is an apocalyptic number.

It is an amenable number.

38211000389 is a deficient number, since it is larger than the sum of its proper divisors (1661347867).

38211000389 is a wasteful number, since it uses less digits than its factorization.

38211000389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661347866.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 38211000389 in words is "thirty-eight billion, two hundred eleven million, three hundred eighty-nine", and thus it is an aban number.