30654420949 has 2 divisors, whose sum is σ = 30654420950. Its totient is φ = 30654420948.

The previous prime is 30654420943. The next prime is 30654420991. The reversal of 30654420949 is 94902445603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30647754225 + 6666724 = 175065^2 + 2582^2 .

It is a cyclic number.

It is not a de Polignac number, because 30654420949 - 2¹⁹ = 30653896661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30654420899 and 30654420908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30654420943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15327210474 + 15327210475.

It is an arithmetic number, because the mean of its divisors is an integer number (15327210475).

Almost surely, 2^30654420949 is an apocalyptic number.

It is an amenable number.

30654420949 is a deficient number, since it is larger than the sum of its proper divisors (1).

30654420949 is an equidigital number, since it uses as much as digits as its factorization.

30654420949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 30654420949 in words is "thirty billion, six hundred fifty-four million, four hundred twenty thousand, nine hundred forty-nine".