1089602994937 has 2 divisors, whose sum is σ = 1089602994938. Its totient is φ = 1089602994936.

The previous prime is 1089602994829. The next prime is 1089602994947. The reversal of 1089602994937 is 7394992069801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 742111608681 + 347491386256 = 861459^2 + 589484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089602994937 - 2²³ = 1089594606329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1089602994947) 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, 544801497468 + 544801497469.

It is an arithmetic number, because the mean of its divisors is an integer number (544801497469).

Almost surely, 2^{1089602994937} is an apocalyptic number.

It is an amenable number.

1089602994937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089602994937 is an equidigital number, since it uses as much as digits as its factorization.

1089602994937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 1089602994937 in words is "one trillion, eighty-nine billion, six hundred two million, nine hundred ninety-four thousand, nine hundred thirty-seven".