215698189133 has 8 divisors (see below), whose sum is σ = 247570210368. Its totient is φ = 184090666464.

The previous prime is 215698189103. The next prime is 215698189159. The reversal of 215698189133 is 331981896512.

It is a happy number.

215698189133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 215698189133 - 2¹⁸ = 215697926989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215698189103) 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, 66122891 + ... + 66126152.

It is an arithmetic number, because the mean of its divisors is an integer number (30946276296).

Almost surely, 2^215698189133 is an apocalyptic number.

It is an amenable number.

215698189133 is a deficient number, since it is larger than the sum of its proper divisors (31872021235).

215698189133 is a wasteful number, since it uses less digits than its factorization.

215698189133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132249283.

The product of its digits is 2799360, while the sum is 56.

The spelling of 215698189133 in words is "two hundred fifteen billion, six hundred ninety-eight million, one hundred eighty-nine thousand, one hundred thirty-three".