1466021005249 has 2 divisors, whose sum is σ = 1466021005250. Its totient is φ = 1466021005248.

The previous prime is 1466021005243. The next prime is 1466021005271. The reversal of 1466021005249 is 9425001206641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1401069934224 + 64951071025 = 1183668^2 + 254855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466021005249 - 2⁵ = 1466021005217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1466021005243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733010502624 + 733010502625.

It is an arithmetic number, because the mean of its divisors is an integer number (733010502625).

Almost surely, 2^{1466021005249} is an apocalyptic number.

It is an amenable number.

1466021005249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466021005249 is an equidigital number, since it uses as much as digits as its factorization.

1466021005249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 1466021005249 in words is "one trillion, four hundred sixty-six billion, twenty-one million, five thousand, two hundred forty-nine".