1009812653 has 2 divisors, whose sum is σ = 1009812654. Its totient is φ = 1009812652.

The previous prime is 1009812637. The next prime is 1009812673. The reversal of 1009812653 is 3562189001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978250729 + 31561924 = 31277^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009812653 - 2⁴ = 1009812637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009812613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504906326 + 504906327.

It is an arithmetic number, because the mean of its divisors is an integer number (504906327).

Almost surely, 2^1009812653 is an apocalyptic number.

It is an amenable number.

1009812653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009812653 is an equidigital number, since it uses as much as digits as its factorization.

1009812653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1009812653 is about 31777.5495121949. The cubic root of 1009812653 is about 1003.2602435938.

The spelling of 1009812653 in words is "one billion, nine million, eight hundred twelve thousand, six hundred fifty-three".