4064530346021 has 2 divisors, whose sum is σ = 4064530346022. Its totient is φ = 4064530346020.

The previous prime is 4064530346003. The next prime is 4064530346053. The reversal of 4064530346021 is 1206430354604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3945046053796 + 119484292225 = 1986214^2 + 345665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4064530346021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4064530346081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032265173010 + 2032265173011.

It is an arithmetic number, because the mean of its divisors is an integer number (2032265173011).

Almost surely, 2^{4064530346021} is an apocalyptic number.

It is an amenable number.

4064530346021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4064530346021 is an equidigital number, since it uses as much as digits as its factorization.

4064530346021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 4064530346021 in words is "four trillion, sixty-four billion, five hundred thirty million, three hundred forty-six thousand, twenty-one".