9138072943 has 2 divisors, whose sum is σ = 9138072944. Its totient is φ = 9138072942.

The previous prime is 9138072919. The next prime is 9138072967. The reversal of 9138072943 is 3492708319.

It is a balanced prime because it is at equal distance from previous prime (9138072919) and next prime (9138072967).

It is a cyclic number.

It is not a de Polignac number, because 9138072943 - 2²¹ = 9135975791 is a prime.

It is a super-2 number, since 2×9138072943² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9138072893 and 9138072902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9138072343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569036471 + 4569036472.

It is an arithmetic number, because the mean of its divisors is an integer number (4569036472).

Almost surely, 2^9138072943 is an apocalyptic number.

9138072943 is a deficient number, since it is larger than the sum of its proper divisors (1).

9138072943 is an equidigital number, since it uses as much as digits as its factorization.

9138072943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 9138072943 is about 95593.2682933270. The cubic root of 9138072943 is about 2090.6670446247.

The spelling of 9138072943 in words is "nine billion, one hundred thirty-eight million, seventy-two thousand, nine hundred forty-three".