4218731486730 has 96 divisors (see below), whose sum is σ = 11683464758784. Its totient is φ = 1052478586368.

The previous prime is 4218731486653. The next prime is 4218731486759. The reversal of 4218731486730 is 376841378124.

4218731486730 is a `hidden beast` number, since 4 + 2 + 187 + 314 + 86 + 73 + 0 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8000002 + ... + 8511021.

It is an arithmetic number, because the mean of its divisors is an integer number (121702757904).

Almost surely, 2^{4218731486730} is an apocalyptic number.

4218731486730 is an abundant number, since it is smaller than the sum of its proper divisors (7464733272054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4218731486730 is a wasteful number, since it uses less digits than its factorization.

4218731486730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16511220 (or 16511217 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 4218731486730 in words is "four trillion, two hundred eighteen billion, seven hundred thirty-one million, four hundred eighty-six thousand, seven hundred thirty".