284365226854991 has 2 divisors, whose sum is σ = 284365226854992. Its totient is φ = 284365226854990.

The previous prime is 284365226854927. The next prime is 284365226855053. The reversal of 284365226854991 is 199458622563482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 284365226854991 - 2⁶ = 284365226854927 is a prime.

It is a super-2 number, since 2×284365226854991² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284365226854901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142182613427495 + 142182613427496.

It is an arithmetic number, because the mean of its divisors is an integer number (142182613427496).

Almost surely, 2^{284365226854991} is an apocalyptic number.

284365226854991 is a deficient number, since it is larger than the sum of its proper divisors (1).

284365226854991 is an equidigital number, since it uses as much as digits as its factorization.

284365226854991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1791590400, while the sum is 74.

The spelling of 284365226854991 in words is "two hundred eighty-four trillion, three hundred sixty-five billion, two hundred twenty-six million, eight hundred fifty-four thousand, nine hundred ninety-one".