648341348194 has 8 divisors (see below), whose sum is σ = 979508512080. Its totient is φ = 321838510836.

The previous prime is 648341348189. The next prime is 648341348203. The reversal of 648341348194 is 491843143846.

It is a happy number.

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

It is an unprimeable number.

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, 1166081284 + ... + 1166081839.

It is an arithmetic number, because the mean of its divisors is an integer number (122438564010).

Almost surely, 2^648341348194 is an apocalyptic number.

648341348194 is a deficient number, since it is larger than the sum of its proper divisors (331167163886).

648341348194 is a wasteful number, since it uses less digits than its factorization.

648341348194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332163264.

The product of its digits is 7962624, while the sum is 55.

The spelling of 648341348194 in words is "six hundred forty-eight billion, three hundred forty-one million, three hundred forty-eight thousand, one hundred ninety-four".