1012603605569 has 2 divisors, whose sum is σ = 1012603605570. Its totient is φ = 1012603605568.

The previous prime is 1012603605551. The next prime is 1012603605581. The reversal of 1012603605569 is 9655063062101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858704315569 + 153899290000 = 926663^2 + 392300^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012603605569 - 2³² = 1008308638273 is a prime.

It is a super-2 number, since 2×1012603605569² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012603605529) 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, 506301802784 + 506301802785.

It is an arithmetic number, because the mean of its divisors is an integer number (506301802785).

Almost surely, 2^{1012603605569} is an apocalyptic number.

It is an amenable number.

1012603605569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012603605569 is an equidigital number, since it uses as much as digits as its factorization.

1012603605569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 1012603605569 in words is "one trillion, twelve billion, six hundred three million, six hundred five thousand, five hundred sixty-nine".