30072661219 has 2 divisors, whose sum is σ = 30072661220. Its totient is φ = 30072661218.

The previous prime is 30072661211. The next prime is 30072661237. The reversal of 30072661219 is 91216627003.

It is a weak prime.

It is an emirp because it is prime and its reverse (91216627003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30072661219 - 2³ = 30072661211 is a prime.

It is a super-2 number, since 2×30072661219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30072661211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15036330609 + 15036330610.

It is an arithmetic number, because the mean of its divisors is an integer number (15036330610).

Almost surely, 2^30072661219 is an apocalyptic number.

30072661219 is a deficient number, since it is larger than the sum of its proper divisors (1).

30072661219 is an equidigital number, since it uses as much as digits as its factorization.

30072661219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 30072661219 in words is "thirty billion, seventy-two million, six hundred sixty-one thousand, two hundred nineteen".