147789194289 has 64 divisors (see below), whose sum is σ = 238287329280. Its totient is φ = 80370385920.

The previous prime is 147789194279. The next prime is 147789194317. The reversal of 147789194289 is 982491987741.

It is not a de Polignac number, because 147789194289 - 2⁵ = 147789194257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (147789194269) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3942567 + ... + 3979875.

It is an arithmetic number, because the mean of its divisors is an integer number (3723239520).

Almost surely, 2^147789194289 is an apocalyptic number.

It is an amenable number.

147789194289 is a deficient number, since it is larger than the sum of its proper divisors (90498134991).

147789194289 is a wasteful number, since it uses less digits than its factorization.

147789194289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37670.

The product of its digits is 73156608, while the sum is 69.

The spelling of 147789194289 in words is "one hundred forty-seven billion, seven hundred eighty-nine million, one hundred ninety-four thousand, two hundred eighty-nine".