4213778664 has 64 divisors (see below), whose sum is σ = 11347107840. Its totient is φ = 1300178880.

The previous prime is 4213778651. The next prime is 4213778683. The reversal of 4213778664 is 4668773124.

It is a happy number.

4213778664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106012 + ... + 140235.

It is an arithmetic number, because the mean of its divisors is an integer number (177298560).

Almost surely, 2^4213778664 is an apocalyptic number.

It is an amenable number.

4213778664 is an abundant number, since it is smaller than the sum of its proper divisors (7133329176).

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

4213778664 is a wasteful number, since it uses less digits than its factorization.

4213778664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246310 (or 246306 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 4213778664 is about 64913.6246407486. The cubic root of 4213778664 is about 1615.1910765752.

The spelling of 4213778664 in words is "four billion, two hundred thirteen million, seven hundred seventy-eight thousand, six hundred sixty-four".