7095421321 has 2 divisors, whose sum is σ = 7095421322. Its totient is φ = 7095421320.

The previous prime is 7095421259. The next prime is 7095421327. The reversal of 7095421321 is 1231245907.

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., 5100816400 + 1994604921 = 71420^2 + 44661^2 .

It is an emirp because it is prime and its reverse (1231245907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7095421321 - 2²⁹ = 6558550409 is a prime.

It is not a weakly prime, because it can be changed into another prime (7095421327) 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, 3547710660 + 3547710661.

It is an arithmetic number, because the mean of its divisors is an integer number (3547710661).

Almost surely, 2^7095421321 is an apocalyptic number.

It is an amenable number.

7095421321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7095421321 is an equidigital number, since it uses as much as digits as its factorization.

7095421321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 7095421321 is about 84234.3238887806. The cubic root of 7095421321 is about 1921.5840985843.

The spelling of 7095421321 in words is "seven billion, ninety-five million, four hundred twenty-one thousand, three hundred twenty-one".