38924129329 has 2 divisors, whose sum is σ = 38924129330. Its totient is φ = 38924129328.

The previous prime is 38924129297. The next prime is 38924129351. The reversal of 38924129329 is 92392142983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19471411600 + 19452717729 = 139540^2 + 139473^2 .

It is a cyclic number.

It is not a de Polignac number, because 38924129329 - 2⁵ = 38924129297 is a prime.

It is not a weakly prime, because it can be changed into another prime (38924129359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19462064664 + 19462064665.

It is an arithmetic number, because the mean of its divisors is an integer number (19462064665).

Almost surely, 2^38924129329 is an apocalyptic number.

It is an amenable number.

38924129329 is a deficient number, since it is larger than the sum of its proper divisors (1).

38924129329 is an equidigital number, since it uses as much as digits as its factorization.

38924129329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 52.

The spelling of 38924129329 in words is "thirty-eight billion, nine hundred twenty-four million, one hundred twenty-nine thousand, three hundred twenty-nine".