30212436649 has 2 divisors, whose sum is σ = 30212436650. Its totient is φ = 30212436648.

The previous prime is 30212436589. The next prime is 30212436689. The reversal of 30212436649 is 94663421203.

It is an a-pointer prime, because the next prime (30212436689) can be obtained adding 30212436649 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28053905049 + 2158531600 = 167493^2 + 46460^2 .

It is a cyclic number.

It is not a de Polignac number, because 30212436649 - 2⁷ = 30212436521 is a prime.

It is not a weakly prime, because it can be changed into another prime (30212436689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106218324 + 15106218325.

It is an arithmetic number, because the mean of its divisors is an integer number (15106218325).

Almost surely, 2^30212436649 is an apocalyptic number.

It is an amenable number.

30212436649 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212436649 is an equidigital number, since it uses as much as digits as its factorization.

30212436649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 30212436649 in words is "thirty billion, two hundred twelve million, four hundred thirty-six thousand, six hundred forty-nine".