398301086129 has 2 divisors, whose sum is σ = 398301086130. Its totient is φ = 398301086128.

The previous prime is 398301086111. The next prime is 398301086171. The reversal of 398301086129 is 921680103893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248417512225 + 149883573904 = 498415^2 + 387148^2 .

It is an emirp because it is prime and its reverse (921680103893) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398301086129 is a prime.

It is not a weakly prime, because it can be changed into another prime (398301086189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199150543064 + 199150543065.

It is an arithmetic number, because the mean of its divisors is an integer number (199150543065).

Almost surely, 2^398301086129 is an apocalyptic number.

It is an amenable number.

398301086129 is a deficient number, since it is larger than the sum of its proper divisors (1).

398301086129 is an equidigital number, since it uses as much as digits as its factorization.

398301086129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 398301086129 in words is "three hundred ninety-eight billion, three hundred one million, eighty-six thousand, one hundred twenty-nine".