99851353913 has 2 divisors, whose sum is σ = 99851353914. Its totient is φ = 99851353912.

The previous prime is 99851353873. The next prime is 99851353919. The reversal of 99851353913 is 31935315899.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84432668329 + 15418685584 = 290573^2 + 124172^2 .

It is an emirp because it is prime and its reverse (31935315899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99851353913 - 2¹² = 99851349817 is a prime.

It is not a weakly prime, because it can be changed into another prime (99851353919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49925676956 + 49925676957.

It is an arithmetic number, because the mean of its divisors is an integer number (49925676957).

Almost surely, 2^99851353913 is an apocalyptic number.

It is an amenable number.

99851353913 is a deficient number, since it is larger than the sum of its proper divisors (1).

99851353913 is an equidigital number, since it uses as much as digits as its factorization.

99851353913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3936600, while the sum is 56.

The spelling of 99851353913 in words is "ninety-nine billion, eight hundred fifty-one million, three hundred fifty-three thousand, nine hundred thirteen".