284297972193 has 48 divisors (see below), whose sum is σ = 440190138960. Its totient is φ = 176185663488.

The previous prime is 284297972183. The next prime is 284297972197. The reversal of 284297972193 is 391279792482.

It can be written as a sum of positive squares in 8 ways, for example, as 31743479889 + 252554492304 = 178167^2 + 502548^2 .

It is not a de Polignac number, because 284297972193 - 2³³ = 275708037601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284297972193.

It is not an unprimeable number, because it can be changed into a prime (284297972197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5259721 + ... + 5313497.

It is an arithmetic number, because the mean of its divisors is an integer number (9170627895).

Almost surely, 2^284297972193 is an apocalyptic number.

It is an amenable number.

284297972193 is a deficient number, since it is larger than the sum of its proper divisors (155892166767).

284297972193 is a wasteful number, since it uses less digits than its factorization.

284297972193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54226 (or 54223 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The spelling of 284297972193 in words is "two hundred eighty-four billion, two hundred ninety-seven million, nine hundred seventy-two thousand, one hundred ninety-three".