216730479324934 has 4 divisors (see below), whose sum is σ = 325095718987404. Its totient is φ = 108365239662466.

The previous prime is 216730479324913. The next prime is 216730479325001. The reversal of 216730479324934 is 439423974037612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54182619831232 + ... + 54182619831235.

It is an arithmetic number, because the mean of its divisors is an integer number (81273929746851).

Almost surely, 2^{216730479324934} is an apocalyptic number.

216730479324934 is a deficient number, since it is larger than the sum of its proper divisors (108365239662470).

216730479324934 is a wasteful number, since it uses less digits than its factorization.

216730479324934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108365239662469.

The product of its (nonzero) digits is 164602368, while the sum is 64.

The spelling of 216730479324934 in words is "two hundred sixteen trillion, seven hundred thirty billion, four hundred seventy-nine million, three hundred twenty-four thousand, nine hundred thirty-four".