1456465841491 has 2 divisors, whose sum is σ = 1456465841492. Its totient is φ = 1456465841490.

The previous prime is 1456465841339. The next prime is 1456465841503. The reversal of 1456465841491 is 1941485646541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1456465841491 - 2¹⁵ = 1456465808723 is a prime.

It is not a weakly prime, because it can be changed into another prime (1456465821491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728232920745 + 728232920746.

It is an arithmetic number, because the mean of its divisors is an integer number (728232920746).

Almost surely, 2^{1456465841491} is an apocalyptic number.

1456465841491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456465841491 is an equidigital number, since it uses as much as digits as its factorization.

1456465841491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16588800, while the sum is 58.

The spelling of 1456465841491 in words is "one trillion, four hundred fifty-six billion, four hundred sixty-five million, eight hundred forty-one thousand, four hundred ninety-one".