189494662331 has 8 divisors (see below), whose sum is σ = 216075361824. Its totient is φ = 164628846720.

The previous prime is 189494662321. The next prime is 189494662351. The reversal of 189494662331 is 133266494981.

189494662331 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 not a de Polignac number, because 189494662331 - 2⁶ = 189494662267 is a prime.

It is a super-2 number, since 2×189494662331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189494662321) 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, 428720735 + ... + 428721176.

It is an arithmetic number, because the mean of its divisors is an integer number (27009420228).

Almost surely, 2^189494662331 is an apocalyptic number.

189494662331 is a deficient number, since it is larger than the sum of its proper divisors (26580699493).

189494662331 is a wasteful number, since it uses less digits than its factorization.

189494662331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857441941.

The product of its digits is 6718464, while the sum is 56.

The spelling of 189494662331 in words is "one hundred eighty-nine billion, four hundred ninety-four million, six hundred sixty-two thousand, three hundred thirty-one".