1464304545217 has 4 divisors (see below), whose sum is σ = 1464386326740. Its totient is φ = 1464222763696.

The previous prime is 1464304545181. The next prime is 1464304545227. The reversal of 1464304545217 is 7125454034641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1105292666241 + 359011878976 = 1051329^2 + 599176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1464304545217 - 2²⁷ = 1464170327489 is a prime.

It is a super-2 number, since 2×1464304545217² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1464304545227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40863898 + ... + 40899715.

It is an arithmetic number, because the mean of its divisors is an integer number (366096581685).

Almost surely, 2^{1464304545217} is an apocalyptic number.

It is an amenable number.

1464304545217 is a deficient number, since it is larger than the sum of its proper divisors (81781523).

1464304545217 is an equidigital number, since it uses as much as digits as its factorization.

1464304545217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81781522.

The product of its (nonzero) digits is 1612800, while the sum is 46.

Adding to 1464304545217 its reverse (7125454034641), we get a palindrome (8589758579858).

The spelling of 1464304545217 in words is "one trillion, four hundred sixty-four billion, three hundred four million, five hundred forty-five thousand, two hundred seventeen".