1453542644651 has 2 divisors, whose sum is σ = 1453542644652. Its totient is φ = 1453542644650.

The previous prime is 1453542644639. The next prime is 1453542644663. The reversal of 1453542644651 is 1564462453541.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1453542644639) and next prime (1453542644663).

It is a cyclic number.

It is not a de Polignac number, because 1453542644651 - 2³⁸ = 1178664737707 is a prime.

It is a super-2 number, since 2×1453542644651² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453542644651.

It is not a weakly prime, because it can be changed into another prime (1453542644681) 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, 726771322325 + 726771322326.

It is an arithmetic number, because the mean of its divisors is an integer number (726771322326).

Almost surely, 2^{1453542644651} is an apocalyptic number.

1453542644651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453542644651 is an equidigital number, since it uses as much as digits as its factorization.

1453542644651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912000, while the sum is 50.

The spelling of 1453542644651 in words is "one trillion, four hundred fifty-three billion, five hundred forty-two million, six hundred forty-four thousand, six hundred fifty-one".