1464566089081 has 2 divisors, whose sum is σ = 1464566089082. Its totient is φ = 1464566089080.

The previous prime is 1464566089067. The next prime is 1464566089111. The reversal of 1464566089081 is 1809806654641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 957102195856 + 507463893225 = 978316^2 + 712365^2 .

It is an emirp because it is prime and its reverse (1809806654641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1464566089081 - 2²¹ = 1464563991929 is a prime.

It is a super-2 number, since 2×1464566089081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1464566089001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732283044540 + 732283044541.

It is an arithmetic number, because the mean of its divisors is an integer number (732283044541).

Almost surely, 2^{1464566089081} is an apocalyptic number.

It is an amenable number.

1464566089081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1464566089081 is an equidigital number, since it uses as much as digits as its factorization.

1464566089081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 1464566089081 in words is "one trillion, four hundred sixty-four billion, five hundred sixty-six million, eighty-nine thousand, eighty-one".