4521064347281 has 2 divisors, whose sum is σ = 4521064347282. Its totient is φ = 4521064347280.

The previous prime is 4521064347263. The next prime is 4521064347311. The reversal of 4521064347281 is 1827434601254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3385968010000 + 1135096337281 = 1840100^2 + 1065409^2 .

It is a cyclic number.

It is not a de Polignac number, because 4521064347281 - 2⁴² = 123017836177 is a prime.

It is a super-2 number, since 2×4521064347281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4521064047281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260532173640 + 2260532173641.

It is an arithmetic number, because the mean of its divisors is an integer number (2260532173641).

Almost surely, 2^{4521064347281} is an apocalyptic number.

It is an amenable number.

4521064347281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4521064347281 is an equidigital number, since it uses as much as digits as its factorization.

4521064347281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 4521064347281 in words is "four trillion, five hundred twenty-one billion, sixty-four million, three hundred forty-seven thousand, two hundred eighty-one".