4021316964 has 72 divisors (see below), whose sum is σ = 12122248320. Its totient is φ = 1098991872.

The previous prime is 4021316939. The next prime is 4021317059. The reversal of 4021316964 is 4696131204.

4021316964 is a `hidden beast` number, since 402 + 131 + 69 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341109 + ... + 352700.

It is an arithmetic number, because the mean of its divisors is an integer number (168364560).

Almost surely, 2^4021316964 is an apocalyptic number.

It is an amenable number.

4021316964 is an abundant number, since it is smaller than the sum of its proper divisors (8100931356).

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

4021316964 is a wasteful number, since it uses less digits than its factorization.

4021316964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693849 (or 693844 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 4021316964 is about 63413.8546691494. The cubic root of 4021316964 is about 1590.2159383948.

The spelling of 4021316964 in words is "four billion, twenty-one million, three hundred sixteen thousand, nine hundred sixty-four".