216454702730 has 16 divisors (see below), whose sum is σ = 445278245760. Its totient is φ = 74213040912.

The previous prime is 216454702691. The next prime is 216454702733. The reversal of 216454702730 is 37207454612.

It is not an unprimeable number, because it can be changed into a prime (216454702733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546104950 + ... + 1546105089.

It is an arithmetic number, because the mean of its divisors is an integer number (27829890360).

Almost surely, 2^216454702730 is an apocalyptic number.

216454702730 is an abundant number, since it is smaller than the sum of its proper divisors (228823543030).

216454702730 is a wasteful number, since it uses less digits than its factorization.

216454702730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092210053.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 216454702730 in words is "two hundred sixteen billion, four hundred fifty-four million, seven hundred two thousand, seven hundred thirty".