30648899 has 2 divisors, whose sum is σ = 30648900. Its totient is φ = 30648898.

The previous prime is 30648889. The next prime is 30648931. The reversal of 30648899 is 99884603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30648899 - 2⁴ = 30648883 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30648889) 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, 15324449 + 15324450.

It is an arithmetic number, because the mean of its divisors is an integer number (15324450).

Almost surely, 2^30648899 is an apocalyptic number.

30648899 is a deficient number, since it is larger than the sum of its proper divisors (1).

30648899 is an equidigital number, since it uses as much as digits as its factorization.

30648899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 30648899 is about 5536.1447777312. The cubic root of 30648899 is about 312.9476005060.

The spelling of 30648899 in words is "thirty million, six hundred forty-eight thousand, eight hundred ninety-nine".