1090908953 has 2 divisors, whose sum is σ = 1090908954. Its totient is φ = 1090908952.

The previous prime is 1090908881. The next prime is 1090908971. The reversal of 1090908953 is 3598090901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 881614864 + 209294089 = 29692^2 + 14467^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090908953 - 2⁸ = 1090908697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1090908253) 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, 545454476 + 545454477.

It is an arithmetic number, because the mean of its divisors is an integer number (545454477).

Almost surely, 2^1090908953 is an apocalyptic number.

It is an amenable number.

1090908953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090908953 is an equidigital number, since it uses as much as digits as its factorization.

1090908953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 1090908953 is about 33028.9108660882. The cubic root of 1090908953 is about 1029.4284550212.

The spelling of 1090908953 in words is "one billion, ninety million, nine hundred eight thousand, nine hundred fifty-three".