1464304243553 has 4 divisors (see below), whose sum is σ = 1464350913300. Its totient is φ = 1464257573808.

The previous prime is 1464304243499. The next prime is 1464304243627. The reversal of 1464304243553 is 3553424034641.

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 335712471649 + 1128591771904 = 579407^2 + 1062352^2 .

It is a cyclic number.

It is not a de Polignac number, because 1464304243553 - 2²⁸ = 1464035808097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1464304243453) 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, 23287778 + ... + 23350571.

It is an arithmetic number, because the mean of its divisors is an integer number (366087728325).

Almost surely, 2^{1464304243553} is an apocalyptic number.

It is an amenable number.

1464304243553 is a deficient number, since it is larger than the sum of its proper divisors (46669747).

1464304243553 is an equidigital number, since it uses as much as digits as its factorization.

1464304243553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46669746.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 1464304243553 in words is "one trillion, four hundred sixty-four billion, three hundred four million, two hundred forty-three thousand, five hundred fifty-three".