30730672519 has 2 divisors, whose sum is σ = 30730672520. Its totient is φ = 30730672518.

The previous prime is 30730672517. The next prime is 30730672549. The reversal of 30730672519 is 91527603703.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30730672519 - 2¹ = 30730672517 is a prime.

It is a super-2 number, since 2×30730672519² (a number of 22 digits) contains 22 as substring.

Together with 30730672517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30730672517) 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, 15365336259 + 15365336260.

It is an arithmetic number, because the mean of its divisors is an integer number (15365336260).

Almost surely, 2^30730672519 is an apocalyptic number.

30730672519 is a deficient number, since it is larger than the sum of its proper divisors (1).

30730672519 is an equidigital number, since it uses as much as digits as its factorization.

30730672519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 30730672519 in words is "thirty billion, seven hundred thirty million, six hundred seventy-two thousand, five hundred nineteen".