284342875546397 has 2 divisors, whose sum is σ = 284342875546398. Its totient is φ = 284342875546396.

The previous prime is 284342875546283. The next prime is 284342875546517. The reversal of 284342875546397 is 793645578243482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 243320720785081 + 41022154761316 = 15598741^2 + 6404854^2 .

It is a cyclic number.

It is not a de Polignac number, because 284342875546397 - 2¹² = 284342875542301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284342875546897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142171437773198 + 142171437773199.

It is an arithmetic number, because the mean of its divisors is an integer number (142171437773199).

Almost surely, 2^{284342875546397} is an apocalyptic number.

It is an amenable number.

284342875546397 is a deficient number, since it is larger than the sum of its proper divisors (1).

284342875546397 is an equidigital number, since it uses as much as digits as its factorization.

284342875546397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9754214400, while the sum is 77.

The spelling of 284342875546397 in words is "two hundred eighty-four trillion, three hundred forty-two billion, eight hundred seventy-five million, five hundred forty-six thousand, three hundred ninety-seven".