189414650879 has 8 divisors (see below), whose sum is σ = 202503843360. Its totient is φ = 176541808896.

The previous prime is 189414650857. The next prime is 189414650891. The reversal of 189414650879 is 978056414981.

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

It is not a de Polignac number, because 189414650879 - 2¹² = 189414646783 is a prime.

It is a super-2 number, since 2×189414650879² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189414650779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54085814 + ... + 54089315.

It is an arithmetic number, because the mean of its divisors is an integer number (25312980420).

Almost surely, 2^189414650879 is an apocalyptic number.

189414650879 is a deficient number, since it is larger than the sum of its proper divisors (13089192481).

189414650879 is a wasteful number, since it uses less digits than its factorization.

189414650879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108175249.

The product of its (nonzero) digits is 17418240, while the sum is 62.

The spelling of 189414650879 in words is "one hundred eighty-nine billion, four hundred fourteen million, six hundred fifty thousand, eight hundred seventy-nine".