189827760345 has 16 divisors (see below), whose sum is σ = 319709912640. Its totient is φ = 95912973504.

The previous prime is 189827760329. The next prime is 189827760349. The reversal of 189827760345 is 543067728981.

It is not a de Polignac number, because 189827760345 - 2⁴ = 189827760329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (189827760349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333030874 + ... + 333031443.

It is an arithmetic number, because the mean of its divisors is an integer number (19981869540).

It is a 1-persistent number, because it is pandigital, but 2⋅189827760345 = 379655520690 is not.

Almost surely, 2^189827760345 is an apocalyptic number.

189827760345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189827760345 is a deficient number, since it is larger than the sum of its proper divisors (129882152295).

189827760345 is a wasteful number, since it uses less digits than its factorization.

189827760345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666062344.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 189827760345 in words is "one hundred eighty-nine billion, eight hundred twenty-seven million, seven hundred sixty thousand, three hundred forty-five".