1009488913 has 2 divisors, whose sum is σ = 1009488914. Its totient is φ = 1009488912.

The previous prime is 1009488899. The next prime is 1009488919. The reversal of 1009488913 is 3198849001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 988033489 + 21455424 = 31433^2 + 4632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1009488913 - 2⁵ = 1009488881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1009488913.

It is not a weakly prime, because it can be changed into another prime (1009488919) 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, 504744456 + 504744457.

It is an arithmetic number, because the mean of its divisors is an integer number (504744457).

Almost surely, 2^1009488913 is an apocalyptic number.

It is an amenable number.

1009488913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009488913 is an equidigital number, since it uses as much as digits as its factorization.

1009488913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 1009488913 is about 31772.4552560862. The cubic root of 1009488913 is about 1003.1530190224.

The spelling of 1009488913 in words is "one billion, nine million, four hundred eighty-eight thousand, nine hundred thirteen".