238190988189 has 16 divisors (see below), whose sum is σ = 395953850880. Its totient is φ = 123735578160.

The previous prime is 238190988151. The next prime is 238190988197. The reversal of 238190988189 is 981889091832.

It is not a de Polignac number, because 238190988189 - 2¹¹ = 238190986141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238190987189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515564679 + ... + 515565140.

It is an arithmetic number, because the mean of its divisors is an integer number (24747115680).

Almost surely, 2^238190988189 is an apocalyptic number.

It is an amenable number.

238190988189 is a deficient number, since it is larger than the sum of its proper divisors (157762862691).

238190988189 is a wasteful number, since it uses less digits than its factorization.

238190988189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031129840.

The product of its (nonzero) digits is 17915904, while the sum is 66.

The spelling of 238190988189 in words is "two hundred thirty-eight billion, one hundred ninety million, nine hundred eighty-eight thousand, one hundred eighty-nine".