30660215443 has 16 divisors (see below), whose sum is σ = 36700032096. Its totient is φ = 25243395840.

The previous prime is 30660215419. The next prime is 30660215473. The reversal of 30660215443 is 34451206603.

It is a de Polignac number, because none of the positive numbers 2^k-30660215443 is a prime.

It is a super-2 number, since 2×30660215443² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30660215399 and 30660215408.

It is not an unprimeable number, because it can be changed into a prime (30660215473) 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 in 15 ways as a sum of consecutive naturals, for example, 2015130 + ... + 2030287.

It is an arithmetic number, because the mean of its divisors is an integer number (2293752006).

Almost surely, 2^30660215443 is an apocalyptic number.

30660215443 is a deficient number, since it is larger than the sum of its proper divisors (6039816653).

30660215443 is a wasteful number, since it uses less digits than its factorization.

30660215443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045494.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 30660215443 in words is "thirty billion, six hundred sixty million, two hundred fifteen thousand, four hundred forty-three".