1051730240489 has 2 divisors, whose sum is σ = 1051730240490. Its totient is φ = 1051730240488.

The previous prime is 1051730240471. The next prime is 1051730240497. The reversal of 1051730240489 is 9840420371501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815033395264 + 236696845225 = 902792^2 + 486515^2 .

It is an emirp because it is prime and its reverse (9840420371501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1051730240489 - 2³² = 1047435273193 is a prime.

It is a super-2 number, since 2×1051730240489² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051730240459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525865120244 + 525865120245.

It is an arithmetic number, because the mean of its divisors is an integer number (525865120245).

Almost surely, 2^{1051730240489} is an apocalyptic number.

It is an amenable number.

1051730240489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051730240489 is an equidigital number, since it uses as much as digits as its factorization.

1051730240489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 1051730240489 in words is "one trillion, fifty-one billion, seven hundred thirty million, two hundred forty thousand, four hundred eighty-nine".