9100089821939 has 2 divisors, whose sum is σ = 9100089821940. Its totient is φ = 9100089821938.

The previous prime is 9100089821833. The next prime is 9100089822007. The reversal of 9100089821939 is 9391289800019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9100089821939 - 2⁴⁰ = 8000578194163 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9100089221939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4550044910969 + 4550044910970.

It is an arithmetic number, because the mean of its divisors is an integer number (4550044910970).

Almost surely, 2^{9100089821939} is an apocalyptic number.

9100089821939 is a deficient number, since it is larger than the sum of its proper divisors (1).

9100089821939 is an equidigital number, since it uses as much as digits as its factorization.

9100089821939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 59.

The spelling of 9100089821939 in words is "nine trillion, one hundred billion, eighty-nine million, eight hundred twenty-one thousand, nine hundred thirty-nine".