1452718851481 has 4 divisors (see below), whose sum is σ = 1452721418752. Its totient is φ = 1452716284212.

The previous prime is 1452718851443. The next prime is 1452718851497. The reversal of 1452718851481 is 1841588172541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1452718851481 - 2¹⁵ = 1452718818713 is a prime.

It is a super-2 number, since 2×1452718851481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452718851281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20565 + ... + 1704658.

It is an arithmetic number, because the mean of its divisors is an integer number (363180354688).

Almost surely, 2^{1452718851481} is an apocalyptic number.

It is an amenable number.

1452718851481 is a deficient number, since it is larger than the sum of its proper divisors (2567271).

1452718851481 is an equidigital number, since it uses as much as digits as its factorization.

1452718851481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567270.

The product of its digits is 2867200, while the sum is 55.

The spelling of 1452718851481 in words is "one trillion, four hundred fifty-two billion, seven hundred eighteen million, eight hundred fifty-one thousand, four hundred eighty-one".