30424439987 has 2 divisors, whose sum is σ = 30424439988. Its totient is φ = 30424439986.

The previous prime is 30424439977. The next prime is 30424439989. The reversal of 30424439987 is 78993442403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30424439987 - 2²² = 30420245683 is a prime.

Together with 30424439989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30424439989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15212219993 + 15212219994.

It is an arithmetic number, because the mean of its divisors is an integer number (15212219994).

Almost surely, 2^30424439987 is an apocalyptic number.

30424439987 is a deficient number, since it is larger than the sum of its proper divisors (1).

30424439987 is an equidigital number, since it uses as much as digits as its factorization.

30424439987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 30424439987 in words is "thirty billion, four hundred twenty-four million, four hundred thirty-nine thousand, nine hundred eighty-seven".