30783149219 has 2 divisors, whose sum is σ = 30783149220. Its totient is φ = 30783149218.

The previous prime is 30783149191. The next prime is 30783149329. The reversal of 30783149219 is 91294138703.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30783149219 - 2¹² = 30783145123 is a prime.

It is a super-2 number, since 2×30783149219² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30783149119) 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, 15391574609 + 15391574610.

It is an arithmetic number, because the mean of its divisors is an integer number (15391574610).

Almost surely, 2^30783149219 is an apocalyptic number.

30783149219 is a deficient number, since it is larger than the sum of its proper divisors (1).

30783149219 is an equidigital number, since it uses as much as digits as its factorization.

30783149219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 30783149219 in words is "thirty billion, seven hundred eighty-three million, one hundred forty-nine thousand, two hundred nineteen".