189034018355 has 16 divisors (see below), whose sum is σ = 279188704704. Its totient is φ = 119652301440.

The previous prime is 189034018339. The next prime is 189034018403. The reversal of 189034018355 is 553810430981.

It is not a de Polignac number, because 189034018355 - 2⁴ = 189034018339 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 207729236 + ... + 207730145.

It is an arithmetic number, because the mean of its divisors is an integer number (17449294044).

Almost surely, 2^189034018355 is an apocalyptic number.

189034018355 is a deficient number, since it is larger than the sum of its proper divisors (90154686349).

189034018355 is a wasteful number, since it uses less digits than its factorization.

189034018355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415459406.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 189034018355 in words is "one hundred eighty-nine billion, thirty-four million, eighteen thousand, three hundred fifty-five".