4247438564 has 12 divisors (see below), whose sum is σ = 7475984124. Its totient is φ = 2111443104.

The previous prime is 4247438549. The next prime is 4247438567. The reversal of 4247438564 is 4658347424.

It can be written as a sum of positive squares in 2 ways, for example, as 3701748964 + 545689600 = 60842^2 + 23360^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4247438567) 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 3 ways as a sum of consecutive naturals, for example, 3068267 + ... + 3069650.

It is an arithmetic number, because the mean of its divisors is an integer number (622998677).

Almost surely, 2^4247438564 is an apocalyptic number.

It is an amenable number.

4247438564 is a deficient number, since it is larger than the sum of its proper divisors (3228545560).

4247438564 is a wasteful number, since it uses less digits than its factorization.

4247438564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138094 (or 6138092 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 47.

The square root of 4247438564 is about 65172.3757737893. The cubic root of 4247438564 is about 1619.4804211914.

The spelling of 4247438564 in words is "four billion, two hundred forty-seven million, four hundred thirty-eight thousand, five hundred sixty-four".