1074777311609 has 2 divisors, whose sum is σ = 1074777311610. Its totient is φ = 1074777311608.

The previous prime is 1074777311599. The next prime is 1074777311717. The reversal of 1074777311609 is 9061137774701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 578774035984 + 496003275625 = 760772^2 + 704275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1074777311609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1074777311809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537388655804 + 537388655805.

It is an arithmetic number, because the mean of its divisors is an integer number (537388655805).

Almost surely, 2^{1074777311609} is an apocalyptic number.

It is an amenable number.

1074777311609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074777311609 is an equidigital number, since it uses as much as digits as its factorization.

1074777311609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555848, while the sum is 53.

The spelling of 1074777311609 in words is "one trillion, seventy-four billion, seven hundred seventy-seven million, three hundred eleven thousand, six hundred nine".