398429110493 has 2 divisors, whose sum is σ = 398429110494. Its totient is φ = 398429110492.

The previous prime is 398429110487. The next prime is 398429110601. The reversal of 398429110493 is 394011924893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380606326489 + 17822784004 = 616933^2 + 133502^2 .

It is a cyclic number.

It is not a de Polignac number, because 398429110493 - 2¹⁶ = 398429044957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398429140493) 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 as a sum of consecutive naturals, namely, 199214555246 + 199214555247.

It is an arithmetic number, because the mean of its divisors is an integer number (199214555247).

Almost surely, 2^398429110493 is an apocalyptic number.

It is an amenable number.

398429110493 is a deficient number, since it is larger than the sum of its proper divisors (1).

398429110493 is an equidigital number, since it uses as much as digits as its factorization.

398429110493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 398429110493 in words is "three hundred ninety-eight billion, four hundred twenty-nine million, one hundred ten thousand, four hundred ninety-three".