99455881249 has 2 divisors, whose sum is σ = 99455881250. Its totient is φ = 99455881248.

The previous prime is 99455881199. The next prime is 99455881289. The reversal of 99455881249 is 94218855499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90274408849 + 9181472400 = 300457^2 + 95820^2 .

It is a cyclic number.

It is not a de Polignac number, because 99455881249 - 2¹⁹ = 99455356961 is a prime.

It is not a weakly prime, because it can be changed into another prime (99455881289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49727940624 + 49727940625.

It is an arithmetic number, because the mean of its divisors is an integer number (49727940625).

Almost surely, 2^99455881249 is an apocalyptic number.

It is an amenable number.

99455881249 is a deficient number, since it is larger than the sum of its proper divisors (1).

99455881249 is an equidigital number, since it uses as much as digits as its factorization.

99455881249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37324800, while the sum is 64.

The spelling of 99455881249 in words is "ninety-nine billion, four hundred fifty-five million, eight hundred eighty-one thousand, two hundred forty-nine".