198592386047 has 4 divisors (see below), whose sum is σ = 216646239336. Its totient is φ = 180538532760.

The previous prime is 198592386023. The next prime is 198592386049. The reversal of 198592386047 is 740683295891.

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

It is a cyclic number.

It is not a de Polignac number, because 198592386047 - 2¹⁰ = 198592385023 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 (198592386049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9026926628 + ... + 9026926649.

It is an arithmetic number, because the mean of its divisors is an integer number (54161559834).

It is a 1-persistent number, because it is pandigital, but 2⋅198592386047 = 397184772094 is not.

Almost surely, 2^198592386047 is an apocalyptic number.

198592386047 is a deficient number, since it is larger than the sum of its proper divisors (18053853289).

198592386047 is a wasteful number, since it uses less digits than its factorization.

198592386047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18053853288.

The product of its (nonzero) digits is 26127360, while the sum is 62.

The spelling of 198592386047 in words is "one hundred ninety-eight billion, five hundred ninety-two million, three hundred eighty-six thousand, forty-seven".