1304344320453 has 12 divisors (see below), whose sum is σ = 1884144887040. Its totient is φ = 869520428136.

The previous prime is 1304344320413. The next prime is 1304344320481. The reversal of 1304344320453 is 3540234434031.

It is a happy number.

1304344320453 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 3 + 443 + 204 + 5 + 3 = 666.

It is not a de Polignac number, because 1304344320453 - 2²⁴ = 1304327543237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304344320413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3342523 + ... + 3712296.

It is an arithmetic number, because the mean of its divisors is an integer number (157012073920).

Almost surely, 2^{1304344320453} is an apocalyptic number.

It is an amenable number.

1304344320453 is a deficient number, since it is larger than the sum of its proper divisors (579800566587).

1304344320453 is a wasteful number, since it uses less digits than its factorization.

1304344320453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075368 (or 7075365 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 1304344320453 its reverse (3540234434031), we get a palindrome (4844578754484).

The spelling of 1304344320453 in words is "one trillion, three hundred four billion, three hundred forty-four million, three hundred twenty thousand, four hundred fifty-three".