1009473229091 has 2 divisors, whose sum is σ = 1009473229092. Its totient is φ = 1009473229090.

The previous prime is 1009473229027. The next prime is 1009473229099. The reversal of 1009473229091 is 1909223749001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1009473229091 - 2⁶ = 1009473229027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009473229099) 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, 504736614545 + 504736614546.

It is an arithmetic number, because the mean of its divisors is an integer number (504736614546).

Almost surely, 2^{1009473229091} is an apocalyptic number.

1009473229091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009473229091 is an equidigital number, since it uses as much as digits as its factorization.

1009473229091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 1009473229091 in words is "one trillion, nine billion, four hundred seventy-three million, two hundred twenty-nine thousand, ninety-one".