189795380699 has 4 divisors (see below), whose sum is σ = 189812572464. Its totient is φ = 189778188936.

The previous prime is 189795380693. The next prime is 189795380713. The reversal of 189795380699 is 996083597981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 189795380699 - 2³² = 185500413403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189795380693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8579312 + ... + 8601405.

It is an arithmetic number, because the mean of its divisors is an integer number (47453143116).

Almost surely, 2^189795380699 is an apocalyptic number.

189795380699 is a deficient number, since it is larger than the sum of its proper divisors (17191765).

189795380699 is a wasteful number, since it uses less digits than its factorization.

189795380699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17191764.

The product of its (nonzero) digits is 264539520, while the sum is 74.

The spelling of 189795380699 in words is "one hundred eighty-nine billion, seven hundred ninety-five million, three hundred eighty thousand, six hundred ninety-nine".