189647222933 has 4 divisors (see below), whose sum is σ = 216739683360. Its totient is φ = 162554762508.

The previous prime is 189647222927. The next prime is 189647222951. The reversal of 189647222933 is 339222746981.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 339222746981 = 7411 ⋅45772871.

It is a cyclic number.

It is not a de Polignac number, because 189647222933 - 2¹² = 189647218837 is a prime.

It is a super-2 number, since 2×189647222933² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189647222993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13546230203 + ... + 13546230216.

It is an arithmetic number, because the mean of its divisors is an integer number (54184920840).

Almost surely, 2^189647222933 is an apocalyptic number.

It is an amenable number.

189647222933 is a deficient number, since it is larger than the sum of its proper divisors (27092460427).

189647222933 is an equidigital number, since it uses as much as digits as its factorization.

189647222933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27092460426.

The product of its digits is 7838208, while the sum is 56.

The spelling of 189647222933 in words is "one hundred eighty-nine billion, six hundred forty-seven million, two hundred twenty-two thousand, nine hundred thirty-three".