9121026853 has 2 divisors, whose sum is σ = 9121026854. Its totient is φ = 9121026852.

The previous prime is 9121026851. The next prime is 9121026869. The reversal of 9121026853 is 3586201219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9112038849 + 8988004 = 95457^2 + 2998^2 .

It is a cyclic number.

It is not a de Polignac number, because 9121026853 - 2¹ = 9121026851 is a prime.

Together with 9121026851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9121026851) 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, 4560513426 + 4560513427.

It is an arithmetic number, because the mean of its divisors is an integer number (4560513427).

Almost surely, 2^9121026853 is an apocalyptic number.

It is an amenable number.

9121026853 is a deficient number, since it is larger than the sum of its proper divisors (1).

9121026853 is an equidigital number, since it uses as much as digits as its factorization.

9121026853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 9121026853 is about 95504.0672065855. The cubic root of 9121026853 is about 2089.3662641339.

The spelling of 9121026853 in words is "nine billion, one hundred twenty-one million, twenty-six thousand, eight hundred fifty-three".