216743925435 has 8 divisors (see below), whose sum is σ = 346790280720. Its totient is φ = 115596760224.

The previous prime is 216743925397. The next prime is 216743925443. The reversal of 216743925435 is 534529347612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216743925435 - 2⁸ = 216743925179 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7224797500 + ... + 7224797529.

It is an arithmetic number, because the mean of its divisors is an integer number (43348785090).

Almost surely, 2^216743925435 is an apocalyptic number.

216743925435 is a deficient number, since it is larger than the sum of its proper divisors (130046355285).

216743925435 is a wasteful number, since it uses less digits than its factorization.

216743925435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449595037.

The product of its digits is 5443200, while the sum is 51.

The spelling of 216743925435 in words is "two hundred sixteen billion, seven hundred forty-three million, nine hundred twenty-five thousand, four hundred thirty-five".