189429320683 has 4 divisors (see below), whose sum is σ = 197665378128. Its totient is φ = 181193263240.

The previous prime is 189429320599. The next prime is 189429320699. The reversal of 189429320683 is 386023924981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386023924981 = 138289 ⋅2791429.

It is a cyclic number.

It is not a de Polignac number, because 189429320683 - 2²⁵ = 189395766251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189429326683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4118028688 + ... + 4118028733.

It is an arithmetic number, because the mean of its divisors is an integer number (49416344532).

Almost surely, 2^189429320683 is an apocalyptic number.

189429320683 is a deficient number, since it is larger than the sum of its proper divisors (8236057445).

189429320683 is an equidigital number, since it uses as much as digits as its factorization.

189429320683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236057444.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 189429320683 in words is "one hundred eighty-nine billion, four hundred twenty-nine million, three hundred twenty thousand, six hundred eighty-three".