189059742245 has 8 divisors (see below), whose sum is σ = 247496389920. Its totient is φ = 137497994320.

The previous prime is 189059742233. The next prime is 189059742247. The reversal of 189059742245 is 542247950981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189059742245 - 2²⁴ = 189042965029 is a prime.

It is a super-2 number, since 2×189059742245² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189059742247) 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 7 ways as a sum of consecutive naturals, for example, 1718724875 + ... + 1718724984.

It is an arithmetic number, because the mean of its divisors is an integer number (30937048740).

Almost surely, 2^189059742245 is an apocalyptic number.

It is an amenable number.

189059742245 is a deficient number, since it is larger than the sum of its proper divisors (58436647675).

189059742245 is a wasteful number, since it uses less digits than its factorization.

189059742245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437449875.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 189059742245 in words is "one hundred eighty-nine billion, fifty-nine million, seven hundred forty-two thousand, two hundred forty-five".