30418849451 has 2 divisors, whose sum is σ = 30418849452. Its totient is φ = 30418849450.

The previous prime is 30418849441. The next prime is 30418849459. The reversal of 30418849451 is 15494881403.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15494881403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30418849451 - 2²² = 30414655147 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 30418849396 and 30418849405.

It is not a weakly prime, because it can be changed into another prime (30418849459) 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, 15209424725 + 15209424726.

It is an arithmetic number, because the mean of its divisors is an integer number (15209424726).

Almost surely, 2^30418849451 is an apocalyptic number.

30418849451 is a deficient number, since it is larger than the sum of its proper divisors (1).

30418849451 is an equidigital number, since it uses as much as digits as its factorization.

30418849451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 30418849451 in words is "thirty billion, four hundred eighteen million, eight hundred forty-nine thousand, four hundred fifty-one".