194714508979 has 4 divisors (see below), whose sum is σ = 195336600376. Its totient is φ = 194092417584.

The previous prime is 194714508949. The next prime is 194714508997. The reversal of 194714508979 is 979805417491.

It is a happy number.

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 194714508979 - 2⁷ = 194714508851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194714508979.

It is not an unprimeable number, because it can be changed into a prime (194714508929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311045229 + ... + 311045854.

It is an arithmetic number, because the mean of its divisors is an integer number (48834150094).

Almost surely, 2^194714508979 is an apocalyptic number.

194714508979 is a deficient number, since it is larger than the sum of its proper divisors (622091397).

194714508979 is an equidigital number, since it uses as much as digits as its factorization.

194714508979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622091396.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The spelling of 194714508979 in words is "one hundred ninety-four billion, seven hundred fourteen million, five hundred eight thousand, nine hundred seventy-nine".