9853505149679 has 2 divisors, whose sum is σ = 9853505149680. Its totient is φ = 9853505149678.

The previous prime is 9853505149669. The next prime is 9853505149687. The reversal of 9853505149679 is 9769415053589.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9853505149679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9853505149619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4926752574839 + 4926752574840.

It is an arithmetic number, because the mean of its divisors is an integer number (4926752574840).

Almost surely, 2^{9853505149679} is an apocalyptic number.

9853505149679 is a deficient number, since it is larger than the sum of its proper divisors (1).

9853505149679 is an equidigital number, since it uses as much as digits as its factorization.

9853505149679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416000, while the sum is 71.

The spelling of 9853505149679 in words is "nine trillion, eight hundred fifty-three billion, five hundred five million, one hundred forty-nine thousand, six hundred seventy-nine".