218288030390633 has 16 divisors (see below), whose sum is σ = 250425158565120. Its totient is φ = 186389209092096.

The previous prime is 218288030390587. The next prime is 218288030390659. The reversal of 218288030390633 is 336093030882812.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-218288030390633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218288030590633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102738473 + ... + 104841641.

It is an arithmetic number, because the mean of its divisors is an integer number (15651572410320).

Almost surely, 2^{218288030390633} is an apocalyptic number.

It is an amenable number.

218288030390633 is a deficient number, since it is larger than the sum of its proper divisors (32137128174487).

218288030390633 is a wasteful number, since it uses less digits than its factorization.

218288030390633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159816.

The product of its (nonzero) digits is 8957952, while the sum is 56.

The spelling of 218288030390633 in words is "two hundred eighteen trillion, two hundred eighty-eight billion, thirty million, three hundred ninety thousand, six hundred thirty-three".