1008664243 has 2 divisors, whose sum is σ = 1008664244. Its totient is φ = 1008664242.

The previous prime is 1008664183. The next prime is 1008664259. The reversal of 1008664243 is 3424668001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1008664243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1008664199 and 1008664208.

It is not a weakly prime, because it can be changed into another prime (1008664543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504332121 + 504332122.

It is an arithmetic number, because the mean of its divisors is an integer number (504332122).

Almost surely, 2^1008664243 is an apocalyptic number.

1008664243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008664243 is an equidigital number, since it uses as much as digits as its factorization.

1008664243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1008664243 is about 31759.4748539707. The cubic root of 1008664243 is about 1002.8797799069.

The spelling of 1008664243 in words is "one billion, eight million, six hundred sixty-four thousand, two hundred forty-three".