284270290621171 has 2 divisors, whose sum is σ = 284270290621172. Its totient is φ = 284270290621170.

The previous prime is 284270290621159. The next prime is 284270290621201. The reversal of 284270290621171 is 171126092072482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 284270290621171 - 2⁷ = 284270290621043 is a prime.

It is a super-2 number, since 2×284270290621171² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (284270290628171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142135145310585 + 142135145310586.

It is an arithmetic number, because the mean of its divisors is an integer number (142135145310586).

Almost surely, 2^{284270290621171} is an apocalyptic number.

284270290621171 is a deficient number, since it is larger than the sum of its proper divisors (1).

284270290621171 is an equidigital number, since it uses as much as digits as its factorization.

284270290621171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 284270290621171 in words is "two hundred eighty-four trillion, two hundred seventy billion, two hundred ninety million, six hundred twenty-one thousand, one hundred seventy-one".