189213686854 has 8 divisors (see below), whose sum is σ = 284845153968. Its totient is φ = 94265302200.

The previous prime is 189213686813. The next prime is 189213686861. The reversal of 189213686854 is 458686312981.

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

It is a junction number, because it is equal to n+sod(n) for n = 189213686792 and 189213686801.

It is a congruent number.

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, 170769922 + ... + 170771029.

It is an arithmetic number, because the mean of its divisors is an integer number (35605644246).

Almost surely, 2^189213686854 is an apocalyptic number.

189213686854 is a deficient number, since it is larger than the sum of its proper divisors (95631467114).

189213686854 is a wasteful number, since it uses less digits than its factorization.

189213686854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341541230.

The product of its digits is 19906560, while the sum is 61.

The spelling of 189213686854 in words is "one hundred eighty-nine billion, two hundred thirteen million, six hundred eighty-six thousand, eight hundred fifty-four".