38385331489 has 4 divisors (see below), whose sum is σ = 38431973056. Its totient is φ = 38338689924.

The previous prime is 38385331447. The next prime is 38385331519. The reversal of 38385331489 is 98413358383.

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.

It is a cyclic number.

It is not a de Polignac number, because 38385331489 - 2¹⁷ = 38385200417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38385301489) 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, 23319549 + ... + 23321194.

It is an arithmetic number, because the mean of its divisors is an integer number (9607993264).

Almost surely, 2^38385331489 is an apocalyptic number.

It is an amenable number.

38385331489 is a deficient number, since it is larger than the sum of its proper divisors (46641567).

38385331489 is an equidigital number, since it uses as much as digits as its factorization.

38385331489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46641566.

The product of its digits is 7464960, while the sum is 55.

The spelling of 38385331489 in words is "thirty-eight billion, three hundred eighty-five million, three hundred thirty-one thousand, four hundred eighty-nine".