398143200001 has 4 divisors (see below), whose sum is σ = 398144948292. Its totient is φ = 398141451712.

The previous prime is 398143199957. The next prime is 398143200011. The reversal of 398143200001 is 100002341893.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238144000000 + 159999200001 = 488000^2 + 399999^2 .

It is a cyclic number.

It is not a de Polignac number, because 398143200001 - 2²⁹ = 397606329089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398143200011) 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 3 ways as a sum of consecutive naturals, for example, 470380 + ... + 1008733.

It is an arithmetic number, because the mean of its divisors is an integer number (99536237073).

Almost surely, 2^398143200001 is an apocalyptic number.

It is an amenable number.

398143200001 is a deficient number, since it is larger than the sum of its proper divisors (1748291).

398143200001 is a wasteful number, since it uses less digits than its factorization.

398143200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748290.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 398143200001 its reverse (100002341893), we get a palindrome (498145541894).

The spelling of 398143200001 in words is "three hundred ninety-eight billion, one hundred forty-three million, two hundred thousand, one".