9378231039 has 6 divisors (see below), whose sum is σ = 13546333736. Its totient is φ = 6252154020.

The previous prime is 9378231029. The next prime is 9378231041. The reversal of 9378231039 is 9301328739.

It is not a de Polignac number, because 9378231039 - 2⁸ = 9378230783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9378230985 and 9378231003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9378231029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521012827 + ... + 521012844.

Almost surely, 2^9378231039 is an apocalyptic number.

9378231039 is a deficient number, since it is larger than the sum of its proper divisors (4168102697).

9378231039 is a wasteful number, since it uses less digits than its factorization.

9378231039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042025677 (or 1042025674 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 9378231039 is about 96841.2672314856. The cubic root of 9378231039 is about 2108.8238722166.

The spelling of 9378231039 in words is "nine billion, three hundred seventy-eight million, two hundred thirty-one thousand, thirty-nine".