9091008911939 has 2 divisors, whose sum is σ = 9091008911940. Its totient is φ = 9091008911938.

The previous prime is 9091008911909. The next prime is 9091008911953. The reversal of 9091008911939 is 9391198001909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9091008911939 - 2¹² = 9091008907843 is a prime.

It is not a weakly prime, because it can be changed into another prime (9091008911909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545504455969 + 4545504455970.

It is an arithmetic number, because the mean of its divisors is an integer number (4545504455970).

Almost surely, 2^{9091008911939} is an apocalyptic number.

9091008911939 is a deficient number, since it is larger than the sum of its proper divisors (1).

9091008911939 is an equidigital number, since it uses as much as digits as its factorization.

9091008911939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 59.

The spelling of 9091008911939 in words is "nine trillion, ninety-one billion, eight million, nine hundred eleven thousand, nine hundred thirty-nine".