30465221217 has 4 divisors (see below), whose sum is σ = 40620294960. Its totient is φ = 20310147476.

The previous prime is 30465221203. The next prime is 30465221219. The reversal of 30465221217 is 71212256403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30465221217 - 2¹⁸ = 30464959073 is a prime.

It is a super-2 number, since 2×30465221217² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30465221219) 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 3 ways as a sum of consecutive naturals, for example, 5077536867 + ... + 5077536872.

It is an arithmetic number, because the mean of its divisors is an integer number (10155073740).

Almost surely, 2^30465221217 is an apocalyptic number.

It is an amenable number.

30465221217 is a deficient number, since it is larger than the sum of its proper divisors (10155073743).

30465221217 is a wasteful number, since it uses less digits than its factorization.

30465221217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155073742.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 30465221217 in words is "thirty billion, four hundred sixty-five million, two hundred twenty-one thousand, two hundred seventeen".