1453724314561 has 2 divisors, whose sum is σ = 1453724314562. Its totient is φ = 1453724314560.

The previous prime is 1453724314519. The next prime is 1453724314571. The reversal of 1453724314561 is 1654134273541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1258210890000 + 195513424561 = 1121700^2 + 442169^2 .

It is an emirp because it is prime and its reverse (1654134273541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1453724314561 - 2¹⁹ = 1453723790273 is a prime.

It is a super-2 number, since 2×1453724314561² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1453724314501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726862157280 + 726862157281.

It is an arithmetic number, because the mean of its divisors is an integer number (726862157281).

Almost surely, 2^{1453724314561} is an apocalyptic number.

It is an amenable number.

1453724314561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453724314561 is an equidigital number, since it uses as much as digits as its factorization.

1453724314561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 46.

The spelling of 1453724314561 in words is "one trillion, four hundred fifty-three billion, seven hundred twenty-four million, three hundred fourteen thousand, five hundred sixty-one".