38463446129 has 2 divisors, whose sum is σ = 38463446130. Its totient is φ = 38463446128.

The previous prime is 38463446107. The next prime is 38463446167. The reversal of 38463446129 is 92164436483.

38463446129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38318845504 + 144600625 = 195752^2 + 12025^2 .

It is a cyclic number.

It is not a de Polignac number, because 38463446129 - 2³² = 34168478833 is a prime.

It is not a weakly prime, because it can be changed into another prime (38463446029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19231723064 + 19231723065.

It is an arithmetic number, because the mean of its divisors is an integer number (19231723065).

Almost surely, 2^38463446129 is an apocalyptic number.

It is an amenable number.

38463446129 is a deficient number, since it is larger than the sum of its proper divisors (1).

38463446129 is an equidigital number, since it uses as much as digits as its factorization.

38463446129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 50.

The spelling of 38463446129 in words is "thirty-eight billion, four hundred sixty-three million, four hundred forty-six thousand, one hundred twenty-nine".