398755327471 has 2 divisors, whose sum is σ = 398755327472. Its totient is φ = 398755327470.

The previous prime is 398755327469. The next prime is 398755327493. The reversal of 398755327471 is 174723557893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 398755327471 - 2¹ = 398755327469 is a prime.

It is a super-3 number, since 3×398755327471³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 398755327469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398755325471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199377663735 + 199377663736.

It is an arithmetic number, because the mean of its divisors is an integer number (199377663736).

Almost surely, 2^398755327471 is an apocalyptic number.

398755327471 is a deficient number, since it is larger than the sum of its proper divisors (1).

398755327471 is an equidigital number, since it uses as much as digits as its factorization.

398755327471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44452800, while the sum is 61.

The spelling of 398755327471 in words is "three hundred ninety-eight billion, seven hundred fifty-five million, three hundred twenty-seven thousand, four hundred seventy-one".