842924733109 has 2 divisors, whose sum is σ = 842924733110. Its totient is φ = 842924733108.

The previous prime is 842924733089. The next prime is 842924733139. The reversal of 842924733109 is 901337429248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 647184852484 + 195739880625 = 804478^2 + 442425^2 .

It is a cyclic number.

It is not a de Polignac number, because 842924733109 - 2⁹ = 842924732597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842924733139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421462366554 + 421462366555.

It is an arithmetic number, because the mean of its divisors is an integer number (421462366555).

Almost surely, 2^842924733109 is an apocalyptic number.

It is an amenable number.

842924733109 is a deficient number, since it is larger than the sum of its proper divisors (1).

842924733109 is an equidigital number, since it uses as much as digits as its factorization.

842924733109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 842924733109 in words is "eight hundred forty-two billion, nine hundred twenty-four million, seven hundred thirty-three thousand, one hundred nine".