38996789173 has 2 divisors, whose sum is σ = 38996789174. Its totient is φ = 38996789172.

The previous prime is 38996789137. The next prime is 38996789189. The reversal of 38996789173 is 37198769983.

38996789173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (38996789137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24736369284 + 14260419889 = 157278^2 + 119417^2 .

It is an emirp because it is prime and its reverse (37198769983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38996789173 - 2⁹ = 38996788661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38996189173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19498394586 + 19498394587.

It is an arithmetic number, because the mean of its divisors is an integer number (19498394587).

Almost surely, 2^38996789173 is an apocalyptic number.

It is an amenable number.

38996789173 is a deficient number, since it is larger than the sum of its proper divisors (1).

38996789173 is an equidigital number, since it uses as much as digits as its factorization.

38996789173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123451776, while the sum is 70.

The spelling of 38996789173 in words is "thirty-eight billion, nine hundred ninety-six million, seven hundred eighty-nine thousand, one hundred seventy-three".