194425940417 has 8 divisors (see below), whose sum is σ = 203963106240. Its totient is φ = 185077629520.

The previous prime is 194425940413. The next prime is 194425940419. The reversal of 194425940417 is 714049524491.

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 194425940417 - 2² = 194425940413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194425940413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47211623 + ... + 47215740.

It is an arithmetic number, because the mean of its divisors is an integer number (25495388280).

Almost surely, 2^194425940417 is an apocalyptic number.

It is an amenable number.

194425940417 is a deficient number, since it is larger than the sum of its proper divisors (9537165823).

194425940417 is an equidigital number, since it uses as much as digits as its factorization.

194425940417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94427463.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 194425940417 in words is "one hundred ninety-four billion, four hundred twenty-five million, nine hundred forty thousand, four hundred seventeen".