9038338742689 has 3 divisors (see below), whose sum is σ = 9038341749073. Its totient is φ = 9038335736306.

The previous prime is 9038338742651. The next prime is 9038338742701. The reversal of 9038338742689 is 9862478338309.

The square root of 9038338742689 is 3006383.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 9038338742689 - 2²⁵ = 9038305188257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9038338742639) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1503192 + ... + 4509574.

Almost surely, 2^{9038338742689} is an apocalyptic number.

9038338742689 is the 3006383-rd square number.

9038338742689 is the 1503192-nd centered octagonal number.

It is an amenable number.

9038338742689 is a deficient number, since it is larger than the sum of its proper divisors (3006384).

9038338742689 is an frugal number, since it uses more digits than its factorization.

9038338742689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012766 (or 3006383 counting only the distinct ones).

The product of its (nonzero) digits is 376233984, while the sum is 70.

The spelling of 9038338742689 in words is "nine trillion, thirty-eight billion, three hundred thirty-eight million, seven hundred forty-two thousand, six hundred eighty-nine".