7068092921 has 2 divisors, whose sum is σ = 7068092922. Its totient is φ = 7068092920.

The previous prime is 7068092881. The next prime is 7068092959. The reversal of 7068092921 is 1292908607.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5782081600 + 1286011321 = 76040^2 + 35861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7068092921 is a prime.

It is not a weakly prime, because it can be changed into another prime (7068092971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3534046460 + 3534046461.

It is an arithmetic number, because the mean of its divisors is an integer number (3534046461).

Almost surely, 2^7068092921 is an apocalyptic number.

It is an amenable number.

7068092921 is a deficient number, since it is larger than the sum of its proper divisors (1).

7068092921 is an equidigital number, since it uses as much as digits as its factorization.

7068092921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 7068092921 is about 84071.9508575839. The cubic root of 7068092921 is about 1919.1138960375.

The spelling of 7068092921 in words is "seven billion, sixty-eight million, ninety-two thousand, nine hundred twenty-one".