189708713769 has 16 divisors (see below), whose sum is σ = 255062551680. Its totient is φ = 125415642240.

The previous prime is 189708713767. The next prime is 189708713773. The reversal of 189708713769 is 967317807981.

189708713769 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 189708713769 - 2¹ = 189708713767 is a prime.

It is a super-2 number, since 2×189708713769² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189708713767) 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, 141492 + ... + 632010.

It is an arithmetic number, because the mean of its divisors is an integer number (15941409480).

Almost surely, 2^189708713769 is an apocalyptic number.

It is an amenable number.

189708713769 is a deficient number, since it is larger than the sum of its proper divisors (65353837911).

189708713769 is a wasteful number, since it uses less digits than its factorization.

189708713769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491600.

The product of its (nonzero) digits is 32006016, while the sum is 66.

The spelling of 189708713769 in words is "one hundred eighty-nine billion, seven hundred eight million, seven hundred thirteen thousand, seven hundred sixty-nine".