1458450385849 has 2 divisors, whose sum is σ = 1458450385850. Its totient is φ = 1458450385848.

The previous prime is 1458450385829. The next prime is 1458450385867. The reversal of 1458450385849 is 9485830548541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041967309824 + 416483076025 = 1020768^2 + 645355^2 .

It is a cyclic number.

It is not a de Polignac number, because 1458450385849 - 2¹¹ = 1458450383801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1458450385829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 729225192924 + 729225192925.

It is an arithmetic number, because the mean of its divisors is an integer number (729225192925).

Almost surely, 2^{1458450385849} is an apocalyptic number.

It is an amenable number.

1458450385849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1458450385849 is an equidigital number, since it uses as much as digits as its factorization.

1458450385849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592000, while the sum is 64.

The spelling of 1458450385849 in words is "one trillion, four hundred fifty-eight billion, four hundred fifty million, three hundred eighty-five thousand, eight hundred forty-nine".