189421314265 has 8 divisors (see below), whose sum is σ = 230698198080. Its totient is φ = 149275304112.

The previous prime is 189421314259. The next prime is 189421314281. The reversal of 189421314265 is 562413124981.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189421314265 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282718045 + ... + 282718714.

It is an arithmetic number, because the mean of its divisors is an integer number (28837274760).

Almost surely, 2^189421314265 is an apocalyptic number.

It is an amenable number.

189421314265 is a deficient number, since it is larger than the sum of its proper divisors (41276883815).

189421314265 is an equidigital number, since it uses as much as digits as its factorization.

189421314265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565436831.

The product of its digits is 414720, while the sum is 46.

The spelling of 189421314265 in words is "one hundred eighty-nine billion, four hundred twenty-one million, three hundred fourteen thousand, two hundred sixty-five".