1068243853 has 2 divisors, whose sum is σ = 1068243854. Its totient is φ = 1068243852.

The previous prime is 1068243833. The next prime is 1068243877. The reversal of 1068243853 is 3583428601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 933730249 + 134513604 = 30557^2 + 11598^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068243853 - 2¹³ = 1068235661 is a prime.

It is a super-2 number, since 2×1068243853² = 2282289858944571218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068243833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534121926 + 534121927.

It is an arithmetic number, because the mean of its divisors is an integer number (534121927).

Almost surely, 2^1068243853 is an apocalyptic number.

It is an amenable number.

1068243853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068243853 is an equidigital number, since it uses as much as digits as its factorization.

1068243853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1068243853 is about 32683.9999541060. Note that the first 4 decimals coincide. The cubic root of 1068243853 is about 1022.2492505093.

The spelling of 1068243853 in words is "one billion, sixty-eight million, two hundred forty-three thousand, eight hundred fifty-three".