194650390342 has 4 divisors (see below), whose sum is σ = 291975585516. Its totient is φ = 97325195170.

The previous prime is 194650390339. The next prime is 194650390351. The reversal of 194650390342 is 243093056491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243093056491 = 3499 ⋅69475009.

It is a junction number, because it is equal to n+sod(n) for n = 194650390292 and 194650390301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48662597584 + ... + 48662597587.

It is an arithmetic number, because the mean of its divisors is an integer number (72993896379).

Almost surely, 2^194650390342 is an apocalyptic number.

194650390342 is a deficient number, since it is larger than the sum of its proper divisors (97325195174).

194650390342 is an equidigital number, since it uses as much as digits as its factorization.

194650390342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97325195173.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 194650390342 in words is "one hundred ninety-four billion, six hundred fifty million, three hundred ninety thousand, three hundred forty-two".