6000004721 has 2 divisors, whose sum is σ = 6000004722. Its totient is φ = 6000004720.

The previous prime is 6000004711. The next prime is 6000004729. The reversal of 6000004721 is 1274000006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5873689600 + 126315121 = 76640^2 + 11239^2 .

It is a cyclic number.

It is not a de Polignac number, because 6000004721 - 2¹⁸ = 5999742577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6000004693 and 6000004702.

It is not a weakly prime, because it can be changed into another prime (6000004729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000002360 + 3000002361.

It is an arithmetic number, because the mean of its divisors is an integer number (3000002361).

Almost surely, 2^6000004721 is an apocalyptic number.

It is an amenable number.

6000004721 is a deficient number, since it is larger than the sum of its proper divisors (1).

6000004721 is an equidigital number, since it uses as much as digits as its factorization.

6000004721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 6000004721 is about 77459.6973980663. The cubic root of 6000004721 is about 1817.1210694224.

Adding to 6000004721 its reverse (1274000006), we get a palindrome (7274004727).

The spelling of 6000004721 in words is "six billion, four thousand, seven hundred twenty-one".