99605545049 has 2 divisors, whose sum is σ = 99605545050. Its totient is φ = 99605545048.

The previous prime is 99605545037. The next prime is 99605545183. The reversal of 99605545049 is 94054550699.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99439315600 + 166229449 = 315340^2 + 12893^2 .

It is a cyclic number.

It is not a de Polignac number, because 99605545049 - 2⁸ = 99605544793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99605544985 and 99605545003.

It is not a weakly prime, because it can be changed into another prime (99605535049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49802772524 + 49802772525.

It is an arithmetic number, because the mean of its divisors is an integer number (49802772525).

Almost surely, 2^99605545049 is an apocalyptic number.

It is an amenable number.

99605545049 is a deficient number, since it is larger than the sum of its proper divisors (1).

99605545049 is an equidigital number, since it uses as much as digits as its factorization.

99605545049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 99605545049 in words is "ninety-nine billion, six hundred five million, five hundred forty-five thousand, forty-nine".