10704336821 has 2 divisors, whose sum is σ = 10704336822. Its totient is φ = 10704336820.

The previous prime is 10704336803. The next prime is 10704336857. The reversal of 10704336821 is 12863340701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8333133796 + 2371203025 = 91286^2 + 48695^2 .

It is an emirp because it is prime and its reverse (12863340701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10704336821 - 2⁶ = 10704336757 is a prime.

It is a super-2 number, since 2×10704336821² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10704336121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5352168410 + 5352168411.

It is an arithmetic number, because the mean of its divisors is an integer number (5352168411).

Almost surely, 2^10704336821 is an apocalyptic number.

It is an amenable number.

10704336821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10704336821 is an equidigital number, since it uses as much as digits as its factorization.

10704336821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 10704336821 in words is "ten billion, seven hundred four million, three hundred thirty-six thousand, eight hundred twenty-one".