30207644449 has 2 divisors, whose sum is σ = 30207644450. Its totient is φ = 30207644448.

The previous prime is 30207644393. The next prime is 30207644459. The reversal of 30207644449 is 94444670203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29427000849 + 780643600 = 171543^2 + 27940^2 .

It is a cyclic number.

It is not a de Polignac number, because 30207644449 - 2¹³ = 30207636257 is a prime.

It is not a weakly prime, because it can be changed into another prime (30207644459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15103822224 + 15103822225.

It is an arithmetic number, because the mean of its divisors is an integer number (15103822225).

Almost surely, 2^30207644449 is an apocalyptic number.

It is an amenable number.

30207644449 is a deficient number, since it is larger than the sum of its proper divisors (1).

30207644449 is an equidigital number, since it uses as much as digits as its factorization.

30207644449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 30207644449 in words is "thirty billion, two hundred seven million, six hundred forty-four thousand, four hundred forty-nine".