99851353397 has 2 divisors, whose sum is σ = 99851353398. Its totient is φ = 99851353396.

The previous prime is 99851353367. The next prime is 99851353421. The reversal of 99851353397 is 79335315899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97168734961 + 2682618436 = 311719^2 + 51794^2 .

It is a cyclic number.

It is not a de Polignac number, because 99851353397 - 2¹⁸ = 99851091253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99851353337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49925676698 + 49925676699.

It is an arithmetic number, because the mean of its divisors is an integer number (49925676699).

Almost surely, 2^99851353397 is an apocalyptic number.

It is an amenable number.

99851353397 is a deficient number, since it is larger than the sum of its proper divisors (1).

99851353397 is an equidigital number, since it uses as much as digits as its factorization.

99851353397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27556200, while the sum is 62.

The spelling of 99851353397 in words is "ninety-nine billion, eight hundred fifty-one million, three hundred fifty-three thousand, three hundred ninety-seven".