30719635219 has 24 divisors (see below), whose sum is σ = 38538037440. Its totient is φ = 24271478784.

The previous prime is 30719635211. The next prime is 30719635223. The reversal of 30719635219 is 91253691703.

It is not a de Polignac number, because 30719635219 - 2³ = 30719635211 is a prime.

It is a super-2 number, since 2×30719635219² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30719635211) 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 in 23 ways as a sum of consecutive naturals, for example, 424467 + ... + 491539.

It is an arithmetic number, because the mean of its divisors is an integer number (1605751560).

Almost surely, 2^30719635219 is an apocalyptic number.

30719635219 is a deficient number, since it is larger than the sum of its proper divisors (7818402221).

30719635219 is a wasteful number, since it uses less digits than its factorization.

30719635219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67819 (or 67812 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 30719635219 in words is "thirty billion, seven hundred nineteen million, six hundred thirty-five thousand, two hundred nineteen".