4239051664 has 45 divisors (see below), whose sum is σ = 8439627891. Its totient is φ = 2062621440.

The previous prime is 4239051659. The next prime is 4239051667. The reversal of 4239051664 is 4661509324.

The square root of 4239051664 is 65108.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 614048400 + 3625003264 = 24780^2 + 60208^2 .

It is a super-2 number, since 2×4239051664² = 35939118020122337792, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4239051667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10677514 + ... + 10677910.

Almost surely, 2^4239051664 is an apocalyptic number.

4239051664 is the 65108-th square number.

It is an amenable number.

4239051664 is a deficient number, since it is larger than the sum of its proper divisors (4200576227).

4239051664 is an frugal number, since it uses more digits than its factorization.

4239051664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The cubic root of 4239051664 is about 1618.4137885366.

The spelling of 4239051664 in words is "four billion, two hundred thirty-nine million, fifty-one thousand, six hundred sixty-four".