38358687835789 has 2 divisors, whose sum is σ = 38358687835790. Its totient is φ = 38358687835788.

The previous prime is 38358687835691. The next prime is 38358687835801. The reversal of 38358687835789 is 98753878685383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22040602446564 + 16318085389225 = 4694742^2 + 4039565^2 .

It is a cyclic number.

It is not a de Polignac number, because 38358687835789 - 2¹³ = 38358687827597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38358687839789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19179343917894 + 19179343917895.

It is an arithmetic number, because the mean of its divisors is an integer number (19179343917895).

Almost surely, 2^{38358687835789} is an apocalyptic number.

It is an amenable number.

38358687835789 is a deficient number, since it is larger than the sum of its proper divisors (1).

38358687835789 is an equidigital number, since it uses as much as digits as its factorization.

38358687835789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58525286400, while the sum is 88.

The spelling of 38358687835789 in words is "thirty-eight trillion, three hundred fifty-eight billion, six hundred eighty-seven million, eight hundred thirty-five thousand, seven hundred eighty-nine".