30546542217 has 4 divisors (see below), whose sum is σ = 40728722960. Its totient is φ = 20364361476.

The previous prime is 30546542203. The next prime is 30546542227. The reversal of 30546542217 is 71224564503.

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 de Polignac number, because none of the positive numbers 2^k-30546542217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30546542227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091090367 + ... + 5091090372.

It is an arithmetic number, because the mean of its divisors is an integer number (10182180740).

Almost surely, 2^30546542217 is an apocalyptic number.

It is an amenable number.

30546542217 is a deficient number, since it is larger than the sum of its proper divisors (10182180743).

30546542217 is a wasteful number, since it uses less digits than its factorization.

30546542217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182180742.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 30546542217 in words is "thirty billion, five hundred forty-six million, five hundred forty-two thousand, two hundred seventeen".