192428304247 has 4 divisors (see below), whose sum is σ = 194412101296. Its totient is φ = 190444507200.

The previous prime is 192428304239. The next prime is 192428304347. The reversal of 192428304247 is 742403824291.

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 192428304247 - 2³ = 192428304239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 192428304197 and 192428304206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192428304227) 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, 991898379 + ... + 991898572.

It is an arithmetic number, because the mean of its divisors is an integer number (48603025324).

Almost surely, 2^192428304247 is an apocalyptic number.

192428304247 is a deficient number, since it is larger than the sum of its proper divisors (1983797049).

192428304247 is an equidigital number, since it uses as much as digits as its factorization.

192428304247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983797048.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 192428304247 in words is "one hundred ninety-two billion, four hundred twenty-eight million, three hundred four thousand, two hundred forty-seven".