99655949 has 2 divisors, whose sum is σ = 99655950. Its totient is φ = 99655948.

The previous prime is 99655939. The next prime is 99655961. The reversal of 99655949 is 94955699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99640324 + 15625 = 9982^2 + 125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99655949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99655894 and 99655903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99655909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49827974 + 49827975.

It is an arithmetic number, because the mean of its divisors is an integer number (49827975).

Almost surely, 2^99655949 is an apocalyptic number.

It is an amenable number.

99655949 is a deficient number, since it is larger than the sum of its proper divisors (1).

99655949 is an equidigital number, since it uses as much as digits as its factorization.

99655949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3936600, while the sum is 56.

The square root of 99655949 is about 9982.7826281053. The cubic root of 99655949 is about 463.6259572874.

The spelling of 99655949 in words is "ninety-nine million, six hundred fifty-five thousand, nine hundred forty-nine".