1464430504221 has 20 divisors (see below), whose sum is σ = 2210158713532. Its totient is φ = 966222183168.

The previous prime is 1464430504217. The next prime is 1464430504231. The reversal of 1464430504221 is 1224050344641.

1464430504221 is a `hidden beast` number, since 1 + 4 + 644 + 3 + 0 + 5 + 0 + 4 + 2 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 465458240025 + 998972264196 = 682245^2 + 999486^2 .

It is not a de Polignac number, because 1464430504221 - 2² = 1464430504217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464430504231) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93184870 + ... + 93200583.

Almost surely, 2^{1464430504221} is an apocalyptic number.

It is an amenable number.

1464430504221 is a deficient number, since it is larger than the sum of its proper divisors (745728209311).

1464430504221 is an equidigital number, since it uses as much as digits as its factorization.

1464430504221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186385562 (or 186385553 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 1464430504221 its reverse (1224050344641), we get a palindrome (2688480848862).

The spelling of 1464430504221 in words is "one trillion, four hundred sixty-four billion, four hundred thirty million, five hundred four thousand, two hundred twenty-one".