99599629 has 2 divisors, whose sum is σ = 99599630. Its totient is φ = 99599628.

The previous prime is 99599609. The next prime is 99599663. The reversal of 99599629 is 92699599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98049604 + 1550025 = 9902^2 + 1245^2 .

It is an emirp because it is prime and its reverse (92699599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99599629 - 2⁹ = 99599117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99599609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49799814 + 49799815.

It is an arithmetic number, because the mean of its divisors is an integer number (49799815).

Almost surely, 2^99599629 is an apocalyptic number.

It is an amenable number.

99599629 is a deficient number, since it is larger than the sum of its proper divisors (1).

99599629 is an equidigital number, since it uses as much as digits as its factorization.

99599629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3542940, while the sum is 58.

The square root of 99599629 is about 9979.9613726707. The cubic root of 99599629 is about 463.5386022938.

The spelling of 99599629 in words is "ninety-nine million, five hundred ninety-nine thousand, six hundred twenty-nine".