1009142263 has 2 divisors, whose sum is σ = 1009142264. Its totient is φ = 1009142262.

The previous prime is 1009142243. The next prime is 1009142327. The reversal of 1009142263 is 3622419001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3622419001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009142263 - 2⁹ = 1009141751 is a prime.

It is a super-2 number, since 2×1009142263² = 2036736213945522338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009142213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504571131 + 504571132.

It is an arithmetic number, because the mean of its divisors is an integer number (504571132).

Almost surely, 2^1009142263 is an apocalyptic number.

1009142263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009142263 is an equidigital number, since it uses as much as digits as its factorization.

1009142263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1009142263 is about 31766.9995907703. Note that the first 3 decimals coincide. The cubic root of 1009142263 is about 1003.0381811075.

The spelling of 1009142263 in words is "one billion, nine million, one hundred forty-two thousand, two hundred sixty-three".