7068092821 has 2 divisors, whose sum is σ = 7068092822. Its totient is φ = 7068092820.

The previous prime is 7068092807. The next prime is 7068092833. The reversal of 7068092821 is 1282908607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4150580625 + 2917512196 = 64425^2 + 54014^2 .

It is an emirp because it is prime and its reverse (1282908607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7068092821 - 2⁵ = 7068092789 is a prime.

It is a super-2 number, since 2×7068092821² = 99915872252543476082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7068092851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3534046410 + 3534046411.

It is an arithmetic number, because the mean of its divisors is an integer number (3534046411).

Almost surely, 2^7068092821 is an apocalyptic number.

It is an amenable number.

7068092821 is a deficient number, since it is larger than the sum of its proper divisors (1).

7068092821 is an equidigital number, since it uses as much as digits as its factorization.

7068092821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 7068092821 is about 84071.9502628552. The cubic root of 7068092821 is about 1919.1138869869.

The spelling of 7068092821 in words is "seven billion, sixty-eight million, ninety-two thousand, eight hundred twenty-one".