99851353919 has 2 divisors, whose sum is σ = 99851353920. Its totient is φ = 99851353918.

The previous prime is 99851353913. The next prime is 99851353949. The reversal of 99851353919 is 91935315899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99851353919 - 2²⁰ = 99850305343 is a prime.

It is a super-2 number, since 2×99851353919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99851353913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49925676959 + 49925676960.

It is an arithmetic number, because the mean of its divisors is an integer number (49925676960).

Almost surely, 2^99851353919 is an apocalyptic number.

99851353919 is a deficient number, since it is larger than the sum of its proper divisors (1).

99851353919 is an equidigital number, since it uses as much as digits as its factorization.

99851353919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11809800, while the sum is 62.

The spelling of 99851353919 in words is "ninety-nine billion, eight hundred fifty-one million, three hundred fifty-three thousand, nine hundred nineteen".