10780021829 has 2 divisors, whose sum is σ = 10780021830. Its totient is φ = 10780021828.

The previous prime is 10780021807. The next prime is 10780021853. The reversal of 10780021829 is 92812008701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9065896225 + 1714125604 = 95215^2 + 41402^2 .

It is a cyclic number.

It is not a de Polignac number, because 10780021829 - 2¹⁶ = 10779956293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10780021792 and 10780021801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10780021859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5390010914 + 5390010915.

It is an arithmetic number, because the mean of its divisors is an integer number (5390010915).

Almost surely, 2^10780021829 is an apocalyptic number.

It is an amenable number.

10780021829 is a deficient number, since it is larger than the sum of its proper divisors (1).

10780021829 is an equidigital number, since it uses as much as digits as its factorization.

10780021829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 10780021829 in words is "ten billion, seven hundred eighty million, twenty-one thousand, eight hundred twenty-nine".