189469996079 has 16 divisors (see below), whose sum is σ = 246911128128. Its totient is φ = 141092070912.

The previous prime is 189469996043. The next prime is 189469996087. The reversal of 189469996079 is 970699964981.

189469996079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189469996079 - 2¹² = 189469991983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189469996019) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 61236332 + ... + 61239425.

It is an arithmetic number, because the mean of its divisors is an integer number (15431945508).

Almost surely, 2^189469996079 is an apocalyptic number.

189469996079 is a deficient number, since it is larger than the sum of its proper divisors (57441132049).

189469996079 is a wasteful number, since it uses less digits than its factorization.

189469996079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122475794.

The product of its (nonzero) digits is 476171136, while the sum is 77.

The spelling of 189469996079 in words is "one hundred eighty-nine billion, four hundred sixty-nine million, nine hundred ninety-six thousand, seventy-nine".