2073660774389 has 2 divisors, whose sum is σ = 2073660774390. Its totient is φ = 2073660774388.

The previous prime is 2073660774379. The next prime is 2073660774403. The reversal of 2073660774389 is 9834770663702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101135422500 + 972525351889 = 1049350^2 + 986167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2073660774389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2073660774379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036830387194 + 1036830387195.

It is an arithmetic number, because the mean of its divisors is an integer number (1036830387195).

Almost surely, 2^{2073660774389} is an apocalyptic number.

It is an amenable number.

2073660774389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2073660774389 is an equidigital number, since it uses as much as digits as its factorization.

2073660774389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64012032, while the sum is 62.

The spelling of 2073660774389 in words is "two trillion, seventy-three billion, six hundred sixty million, seven hundred seventy-four thousand, three hundred eighty-nine".