189252429269 has 4 divisors (see below), whose sum is σ = 193868342220. Its totient is φ = 184636516320.

The previous prime is 189252429251. The next prime is 189252429281. The reversal of 189252429269 is 962924252981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35323323025 + 153929106244 = 187945^2 + 392338^2 .

It is a cyclic number.

It is not a de Polignac number, because 189252429269 - 2²⁰ = 189251380693 is a prime.

It is a super-2 number, since 2×189252429269² (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 (189252429209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307956414 + ... + 2307956495.

It is an arithmetic number, because the mean of its divisors is an integer number (48467085555).

Almost surely, 2^189252429269 is an apocalyptic number.

It is an amenable number.

189252429269 is a deficient number, since it is larger than the sum of its proper divisors (4615912951).

189252429269 is an equidigital number, since it uses as much as digits as its factorization.

189252429269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615912950.

The product of its digits is 11197440, while the sum is 59.

The spelling of 189252429269 in words is "one hundred eighty-nine billion, two hundred fifty-two million, four hundred twenty-nine thousand, two hundred sixty-nine".