189716495 has 4 divisors (see below), whose sum is σ = 227659800. Its totient is φ = 151773192.

The previous prime is 189716477. The next prime is 189716519. The reversal of 189716495 is 594617981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 594617981 = 601 ⋅989381.

It is a cyclic number.

It is not a de Polignac number, because 189716495 - 2⁶ = 189716431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18971645 + ... + 18971654.

It is an arithmetic number, because the mean of its divisors is an integer number (56914950).

Almost surely, 2^189716495 is an apocalyptic number.

189716495 is a deficient number, since it is larger than the sum of its proper divisors (37943305).

189716495 is an equidigital number, since it uses as much as digits as its factorization.

189716495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37943304.

The product of its digits is 544320, while the sum is 50.

The square root of 189716495 is about 13773.7611058127. The cubic root of 189716495 is about 574.6036285287.

The spelling of 189716495 in words is "one hundred eighty-nine million, seven hundred sixteen thousand, four hundred ninety-five".