10780940074349 has 2 divisors, whose sum is σ = 10780940074350. Its totient is φ = 10780940074348.

The previous prime is 10780940074343. The next prime is 10780940074361. The reversal of 10780940074349 is 94347004908701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10366352181124 + 414587893225 = 3219682^2 + 643885^2 .

It is an emirp because it is prime and its reverse (94347004908701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10780940074349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10780940074294 and 10780940074303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10780940074343) 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, 5390470037174 + 5390470037175.

It is an arithmetic number, because the mean of its divisors is an integer number (5390470037175).

Almost surely, 2^{10780940074349} is an apocalyptic number.

It is an amenable number.

10780940074349 is a deficient number, since it is larger than the sum of its proper divisors (1).

10780940074349 is an equidigital number, since it uses as much as digits as its factorization.

10780940074349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 10780940074349 in words is "ten trillion, seven hundred eighty billion, nine hundred forty million, seventy-four thousand, three hundred forty-nine".