1005450414389 has 2 divisors, whose sum is σ = 1005450414390. Its totient is φ = 1005450414388.

The previous prime is 1005450414313. The next prime is 1005450414439. The reversal of 1005450414389 is 9834140545001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 952634560900 + 52815853489 = 976030^2 + 229817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005450414389 - 2¹⁶ = 1005450348853 is a prime.

It is a super-4 number, since 4×1005450414389⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005450014389) 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, 502725207194 + 502725207195.

It is an arithmetic number, because the mean of its divisors is an integer number (502725207195).

Almost surely, 2^{1005450414389} is an apocalyptic number.

It is an amenable number.

1005450414389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005450414389 is an equidigital number, since it uses as much as digits as its factorization.

1005450414389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 1005450414389 in words is "one trillion, five billion, four hundred fifty million, four hundred fourteen thousand, three hundred eighty-nine".