286468919809 has 2 divisors, whose sum is σ = 286468919810. Its totient is φ = 286468919808.

The previous prime is 286468919771. The next prime is 286468919813. The reversal of 286468919809 is 908919864682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177159335409 + 109309584400 = 420903^2 + 330620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286468919809 is a prime.

It is not a weakly prime, because it can be changed into another prime (286468919879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143234459904 + 143234459905.

It is an arithmetic number, because the mean of its divisors is an integer number (143234459905).

Almost surely, 2^286468919809 is an apocalyptic number.

It is an amenable number.

286468919809 is a deficient number, since it is larger than the sum of its proper divisors (1).

286468919809 is an equidigital number, since it uses as much as digits as its factorization.

286468919809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107495424, while the sum is 70.

The spelling of 286468919809 in words is "two hundred eighty-six billion, four hundred sixty-eight million, nine hundred nineteen thousand, eight hundred nine".