99658049 has 2 divisors, whose sum is σ = 99658050. Its totient is φ = 99658048.

The previous prime is 99657991. The next prime is 99658051. The reversal of 99658049 is 94085699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99361024 + 297025 = 9968^2 + 545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99658049 is a prime.

Together with 99658051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99657988 and 99658006.

It is not a weakly prime, because it can be changed into another prime (99658849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49829024 + 49829025.

It is an arithmetic number, because the mean of its divisors is an integer number (49829025).

Almost surely, 2^99658049 is an apocalyptic number.

It is an amenable number.

99658049 is a deficient number, since it is larger than the sum of its proper divisors (1).

99658049 is an equidigital number, since it uses as much as digits as its factorization.

99658049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 99658049 is about 9982.8878086454. The cubic root of 99658049 is about 463.6292138506.

The spelling of 99658049 in words is "ninety-nine million, six hundred fifty-eight thousand, forty-nine".