285343285943 has 2 divisors, whose sum is σ = 285343285944. Its totient is φ = 285343285942.

The previous prime is 285343285889. The next prime is 285343285973. The reversal of 285343285943 is 349582343582.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285343285943 - 2²⁶ = 285276177079 is a prime.

It is a super-2 number, since 2×285343285943² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285343285973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142671642971 + 142671642972.

It is an arithmetic number, because the mean of its divisors is an integer number (142671642972).

Almost surely, 2^285343285943 is an apocalyptic number.

285343285943 is a deficient number, since it is larger than the sum of its proper divisors (1).

285343285943 is an equidigital number, since it uses as much as digits as its factorization.

285343285943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24883200, while the sum is 56.

The spelling of 285343285943 in words is "two hundred eighty-five billion, three hundred forty-three million, two hundred eighty-five thousand, nine hundred forty-three".