194786420623 has 8 divisors (see below), whose sum is σ = 197546618880. Its totient is φ = 192026687160.

The previous prime is 194786420611. The next prime is 194786420749. The reversal of 194786420623 is 326024687491.

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 194786420623 - 2⁹ = 194786420111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194786427623) 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, 776086 + ... + 995932.

It is an arithmetic number, because the mean of its divisors is an integer number (24693327360).

Almost surely, 2^194786420623 is an apocalyptic number.

194786420623 is a deficient number, since it is larger than the sum of its proper divisors (2760198257).

194786420623 is a wasteful number, since it uses less digits than its factorization.

194786420623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232397.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 194786420623 in words is "one hundred ninety-four billion, seven hundred eighty-six million, four hundred twenty thousand, six hundred twenty-three".