1052303021449 has 2 divisors, whose sum is σ = 1052303021450. Its totient is φ = 1052303021448.

The previous prime is 1052303021387. The next prime is 1052303021453. The reversal of 1052303021449 is 9441203032501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715952899600 + 336350121849 = 846140^2 + 579957^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052303021449 - 2¹¹ = 1052303019401 is a prime.

It is a super-2 number, since 2×1052303021449² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1052303021479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526151510724 + 526151510725.

It is an arithmetic number, because the mean of its divisors is an integer number (526151510725).

Almost surely, 2^{1052303021449} is an apocalyptic number.

It is an amenable number.

1052303021449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052303021449 is an equidigital number, since it uses as much as digits as its factorization.

1052303021449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 1052303021449 in words is "one trillion, fifty-two billion, three hundred three million, twenty-one thousand, four hundred forty-nine".