198794023463 has 6 divisors (see below), whose sum is σ = 231250190616. Its totient is φ = 170394877212.

The previous prime is 198794023427. The next prime is 198794023469. The reversal of 198794023463 is 364320497891.

It is not a de Polignac number, because 198794023463 - 2¹² = 198794019367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198794023399 and 198794023408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198794023469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2028510395 + ... + 2028510492.

It is an arithmetic number, because the mean of its divisors is an integer number (38541698436).

Almost surely, 2^198794023463 is an apocalyptic number.

198794023463 is a deficient number, since it is larger than the sum of its proper divisors (32456167153).

198794023463 is an equidigital number, since it uses as much as digits as its factorization.

198794023463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057020901 (or 4057020894 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 198794023463 in words is "one hundred ninety-eight billion, seven hundred ninety-four million, twenty-three thousand, four hundred sixty-three".