194729313265 has 8 divisors (see below), whose sum is σ = 237635772480. Its totient is φ = 153143052912.

The previous prime is 194729313257. The next prime is 194729313293. The reversal of 194729313265 is 562313927491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194729313265 - 2³ = 194729313257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330049389 + ... + 330049978.

It is an arithmetic number, because the mean of its divisors is an integer number (29704471560).

Almost surely, 2^194729313265 is an apocalyptic number.

It is an amenable number.

194729313265 is a deficient number, since it is larger than the sum of its proper divisors (42906459215).

194729313265 is an equidigital number, since it uses as much as digits as its factorization.

194729313265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660099431.

The product of its digits is 2449440, while the sum is 52.

The spelling of 194729313265 in words is "one hundred ninety-four billion, seven hundred twenty-nine million, three hundred thirteen thousand, two hundred sixty-five".