284240335949 has 2 divisors, whose sum is σ = 284240335950. Its totient is φ = 284240335948.

The previous prime is 284240335943. The next prime is 284240335993. The reversal of 284240335949 is 949533042482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212988711049 + 71251624900 = 461507^2 + 266930^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284240335949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284240335949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284240335943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142120167974 + 142120167975.

It is an arithmetic number, because the mean of its divisors is an integer number (142120167975).

Almost surely, 2^284240335949 is an apocalyptic number.

It is an amenable number.

284240335949 is a deficient number, since it is larger than the sum of its proper divisors (1).

284240335949 is an equidigital number, since it uses as much as digits as its factorization.

284240335949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 284240335949 in words is "two hundred eighty-four billion, two hundred forty million, three hundred thirty-five thousand, nine hundred forty-nine".