99954949 has 2 divisors, whose sum is σ = 99954950. Its totient is φ = 99954948.

The previous prime is 99954913. The next prime is 99954961. The reversal of 99954949 is 94945999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62964225 + 36990724 = 7935^2 + 6082^2 .

It is an emirp because it is prime and its reverse (94945999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99954949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99954893 and 99954902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99954989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49977474 + 49977475.

It is an arithmetic number, because the mean of its divisors is an integer number (49977475).

Almost surely, 2^99954949 is an apocalyptic number.

It is an amenable number.

99954949 is a deficient number, since it is larger than the sum of its proper divisors (1).

99954949 is an equidigital number, since it uses as much as digits as its factorization.

99954949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4723920, while the sum is 58.

The square root of 99954949 is about 9997.7471962438. The cubic root of 99954949 is about 464.0891701519.

The spelling of 99954949 in words is "ninety-nine million, nine hundred fifty-four thousand, nine hundred forty-nine".