438198138201 has 8 divisors (see below), whose sum is σ = 584304852384. Its totient is φ = 292111758080.

The previous prime is 438198138199. The next prime is 438198138239. The reversal of 438198138201 is 102831891834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 438198138201 - 2¹ = 438198138199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (438198138101) 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 7 ways as a sum of consecutive naturals, for example, 5033160 + ... + 5119481.

It is an arithmetic number, because the mean of its divisors is an integer number (73038106548).

Almost surely, 2^438198138201 is an apocalyptic number.

It is an amenable number.

438198138201 is a deficient number, since it is larger than the sum of its proper divisors (146106714183).

438198138201 is a wasteful number, since it uses less digits than its factorization.

438198138201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167031.

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 438198138201 in words is "four hundred thirty-eight billion, one hundred ninety-eight million, one hundred thirty-eight thousand, two hundred one".