398429926063 has 6 divisors (see below), whose sum is σ = 431435955624. Its totient is φ = 367781470056.

The previous prime is 398429926057. The next prime is 398429926121. The reversal of 398429926063 is 360629924893.

It is not a de Polignac number, because 398429926063 - 2⁵ = 398429926031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398429925992 and 398429926010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398429926163) 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 in 5 ways as a sum of consecutive naturals, for example, 1178786595 + ... + 1178786932.

It is an arithmetic number, because the mean of its divisors is an integer number (71905992604).

Almost surely, 2^398429926063 is an apocalyptic number.

398429926063 is a deficient number, since it is larger than the sum of its proper divisors (33006029561).

398429926063 is a wasteful number, since it uses less digits than its factorization.

398429926063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357573553 (or 2357573540 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 61.

The spelling of 398429926063 in words is "three hundred ninety-eight billion, four hundred twenty-nine million, nine hundred twenty-six thousand, sixty-three".