1303541421453 has 24 divisors (see below), whose sum is σ = 1884083400576. Its totient is φ = 868478488800.

The previous prime is 1303541421451. The next prime is 1303541421529. The reversal of 1303541421453 is 3541241453031.

1303541421453 is a `hidden beast` number, since 1 + 30 + 3 + 541 + 42 + 1 + 45 + 3 = 666.

It is not a de Polignac number, because 1303541421453 - 2¹ = 1303541421451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303541421451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125443888 + ... + 125454278.

It is an arithmetic number, because the mean of its divisors is an integer number (78503475024).

Almost surely, 2^{1303541421453} is an apocalyptic number.

It is an amenable number.

1303541421453 is a deficient number, since it is larger than the sum of its proper divisors (580541979123).

1303541421453 is a wasteful number, since it uses less digits than its factorization.

1303541421453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17865 (or 17862 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 1303541421453 its reverse (3541241453031), we get a palindrome (4844782874484).

The spelling of 1303541421453 in words is "one trillion, three hundred three billion, five hundred forty-one million, four hundred twenty-one thousand, four hundred fifty-three".