189035720735 has 16 divisors (see below), whose sum is σ = 233233160832. Its totient is φ = 146995603200.

The previous prime is 189035720719. The next prime is 189035720747. The reversal of 189035720735 is 537027530981.

It is not a de Polignac number, because 189035720735 - 2⁴ = 189035720719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1645784 + ... + 1756893.

It is an arithmetic number, because the mean of its divisors is an integer number (14577072552).

Almost surely, 2^189035720735 is an apocalyptic number.

189035720735 is a deficient number, since it is larger than the sum of its proper divisors (44197440097).

189035720735 is a wasteful number, since it uses less digits than its factorization.

189035720735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402994.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 189035720735 in words is "one hundred eighty-nine billion, thirty-five million, seven hundred twenty thousand, seven hundred thirty-five".