189069273506 has 8 divisors (see below), whose sum is σ = 283608643584. Its totient is φ = 94533058980.

The previous prime is 189069273493. The next prime is 189069273521. The reversal of 189069273506 is 605372960981.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632930 + ... + 882461.

It is an arithmetic number, because the mean of its divisors is an integer number (35451080448).

Almost surely, 2^189069273506 is an apocalyptic number.

189069273506 is a deficient number, since it is larger than the sum of its proper divisors (94539370078).

189069273506 is a wasteful number, since it uses less digits than its factorization.

189069273506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577776.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 189069273506 in words is "one hundred eighty-nine billion, sixty-nine million, two hundred seventy-three thousand, five hundred six".