38987100329 has 2 divisors, whose sum is σ = 38987100330. Its totient is φ = 38987100328.

The previous prime is 38987100247. The next prime is 38987100353. The reversal of 38987100329 is 92300178983.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38204611600 + 782488729 = 195460^2 + 27973^2 .

It is a cyclic number.

It is not a de Polignac number, because 38987100329 - 2⁸ = 38987100073 is a prime.

It is not a weakly prime, because it can be changed into another prime (38987100029) 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, 19493550164 + 19493550165.

It is an arithmetic number, because the mean of its divisors is an integer number (19493550165).

Almost surely, 2^38987100329 is an apocalyptic number.

It is an amenable number.

38987100329 is a deficient number, since it is larger than the sum of its proper divisors (1).

38987100329 is an equidigital number, since it uses as much as digits as its factorization.

38987100329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 38987100329 in words is "thirty-eight billion, nine hundred eighty-seven million, one hundred thousand, three hundred twenty-nine".