189098355945 has 8 divisors (see below), whose sum is σ = 302557369536. Its totient is φ = 100852456496.

The previous prime is 189098355899. The next prime is 189098355959. The reversal of 189098355945 is 549553890981.

189098355945 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 a cyclic number.

It is not a de Polignac number, because 189098355945 - 2¹⁴ = 189098339561 is a prime.

It is a super-2 number, since 2×189098355945² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 6303278517 + ... + 6303278546.

It is an arithmetic number, because the mean of its divisors is an integer number (37819671192).

Almost surely, 2^189098355945 is an apocalyptic number.

189098355945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189098355945 is a deficient number, since it is larger than the sum of its proper divisors (113459013591).

189098355945 is a wasteful number, since it uses less digits than its factorization.

189098355945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12606557071.

The product of its (nonzero) digits is 69984000, while the sum is 66.

The spelling of 189098355945 in words is "one hundred eighty-nine billion, ninety-eight million, three hundred fifty-five thousand, nine hundred forty-five".