4218643094 has 16 divisors (see below), whose sum is σ = 6484602096. Its totient is φ = 2057145600.

The previous prime is 4218643057. The next prime is 4218643103. The reversal of 4218643094 is 4903468124.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278894 + ... + 293630.

It is an arithmetic number, because the mean of its divisors is an integer number (405287631).

Almost surely, 2^4218643094 is an apocalyptic number.

4218643094 is a deficient number, since it is larger than the sum of its proper divisors (2265959002).

4218643094 is a wasteful number, since it uses less digits than its factorization.

4218643094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18271.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 4218643094 is about 64951.0823158475. The cubic root of 4218643094 is about 1615.8123686978.

The spelling of 4218643094 in words is "four billion, two hundred eighteen million, six hundred forty-three thousand, ninety-four".