1453054524421 has 2 divisors, whose sum is σ = 1453054524422. Its totient is φ = 1453054524420.

The previous prime is 1453054524419. The next prime is 1453054524437. The reversal of 1453054524421 is 1244254503541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1434281688225 + 18772836196 = 1197615^2 + 137014^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453054524421 - 2¹ = 1453054524419 is a prime.

It is a super-2 number, since 2×1453054524421² (a number of 25 digits) contains 22 as substring.

Together with 1453054524419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453054524451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726527262210 + 726527262211.

It is an arithmetic number, because the mean of its divisors is an integer number (726527262211).

Almost surely, 2^{1453054524421} is an apocalyptic number.

It is an amenable number.

1453054524421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453054524421 is an equidigital number, since it uses as much as digits as its factorization.

1453054524421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 1453054524421 in words is "one trillion, four hundred fifty-three billion, fifty-four million, five hundred twenty-four thousand, four hundred twenty-one".