218947854701 has 8 divisors (see below), whose sum is σ = 220351941600. Its totient is φ = 217547663760.

The previous prime is 218947854691. The next prime is 218947854703. The reversal of 218947854701 is 107458749812.

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

It is a cyclic number.

It is not a de Polignac number, because 218947854701 - 2⁶ = 218947854637 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218947854703) 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, 861191 + ... + 1086068.

It is an arithmetic number, because the mean of its divisors is an integer number (27543992700).

Almost surely, 2^218947854701 is an apocalyptic number.

It is an amenable number.

218947854701 is a deficient number, since it is larger than the sum of its proper divisors (1404086899).

218947854701 is a wasteful number, since it uses less digits than its factorization.

218947854701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947979.

The product of its (nonzero) digits is 4515840, while the sum is 56.

The spelling of 218947854701 in words is "two hundred eighteen billion, nine hundred forty-seven million, eight hundred fifty-four thousand, seven hundred one".