1453652212666 has 4 divisors (see below), whose sum is σ = 2180478319002. Its totient is φ = 726826106332.

The previous prime is 1453652212633. The next prime is 1453652212669. The reversal of 1453652212666 is 6662122563541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1118579101641 + 335073111025 = 1057629^2 + 578855^2 .

It is a super-2 number, since 2×1453652212666² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1453652212669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363413053165 + ... + 363413053168.

Almost surely, 2^{1453652212666} is an apocalyptic number.

1453652212666 is a deficient number, since it is larger than the sum of its proper divisors (726826106336).

1453652212666 is an equidigital number, since it uses as much as digits as its factorization.

1453652212666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726826106335.

The product of its digits is 3110400, while the sum is 49.

The spelling of 1453652212666 in words is "one trillion, four hundred fifty-three billion, six hundred fifty-two million, two hundred twelve thousand, six hundred sixty-six".