38798745089 has 4 divisors (see below), whose sum is σ = 41783263956. Its totient is φ = 35814226224.

The previous prime is 38798745067. The next prime is 38798745131. The reversal of 38798745089 is 98054789783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98054789783 = 251 ⋅390656533.

It can be written as a sum of positive squares in 2 ways, for example, as 22134000625 + 16664744464 = 148775^2 + 129092^2 .

It is a cyclic number.

It is not a de Polignac number, because 38798745089 - 2²⁸ = 38530309633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38798745019) 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, 1492259414 + ... + 1492259439.

It is an arithmetic number, because the mean of its divisors is an integer number (10445815989).

Almost surely, 2^38798745089 is an apocalyptic number.

It is an amenable number.

38798745089 is a deficient number, since it is larger than the sum of its proper divisors (2984518867).

38798745089 is a wasteful number, since it uses less digits than its factorization.

38798745089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984518866.

The product of its (nonzero) digits is 121927680, while the sum is 68.

The spelling of 38798745089 in words is "thirty-eight billion, seven hundred ninety-eight million, seven hundred forty-five thousand, eighty-nine".