1009488919 has 2 divisors, whose sum is σ = 1009488920. Its totient is φ = 1009488918.

The previous prime is 1009488913. The next prime is 1009488923. The reversal of 1009488919 is 9198849001.

1009488919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9198849001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1009488919 - 2¹³ = 1009480727 is a prime.

It is a super-2 number, since 2×1009488919² = 2038135755167577122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009488913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504744459 + 504744460.

It is an arithmetic number, because the mean of its divisors is an integer number (504744460).

Almost surely, 2^1009488919 is an apocalyptic number.

1009488919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009488919 is an equidigital number, since it uses as much as digits as its factorization.

1009488919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 49.

The square root of 1009488919 is about 31772.4553505076. The cubic root of 1009488919 is about 1003.1530210099.

The spelling of 1009488919 in words is "one billion, nine million, four hundred eighty-eight thousand, nine hundred nineteen".