194680930634 has 4 divisors (see below), whose sum is σ = 292021395954. Its totient is φ = 97340465316.

The previous prime is 194680930627. The next prime is 194680930637. The reversal of 194680930634 is 436039086491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 125035081609 + 69645849025 = 353603^2 + 263905^2 .

It is not an unprimeable number, because it can be changed into a prime (194680930637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48670232657 + ... + 48670232660.

Almost surely, 2^194680930634 is an apocalyptic number.

194680930634 is a deficient number, since it is larger than the sum of its proper divisors (97340465320).

194680930634 is an equidigital number, since it uses as much as digits as its factorization.

194680930634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97340465319.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 194680930634 in words is "one hundred ninety-four billion, six hundred eighty million, nine hundred thirty thousand, six hundred thirty-four".