1451446590163 has 2 divisors, whose sum is σ = 1451446590164. Its totient is φ = 1451446590162.

The previous prime is 1451446590133. The next prime is 1451446590211. The reversal of 1451446590163 is 3610956441541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451446590163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451446590133) 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, 725723295081 + 725723295082.

It is an arithmetic number, because the mean of its divisors is an integer number (725723295082).

Almost surely, 2^{1451446590163} is an apocalyptic number.

1451446590163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451446590163 is an equidigital number, since it uses as much as digits as its factorization.

1451446590163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 1451446590163 in words is "one trillion, four hundred fifty-one billion, four hundred forty-six million, five hundred ninety thousand, one hundred sixty-three".