7130650321 has 2 divisors, whose sum is σ = 7130650322. Its totient is φ = 7130650320.

The previous prime is 7130650313. The next prime is 7130650333. The reversal of 7130650321 is 1230560317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7129944721 + 705600 = 84439^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 7130650321 - 2³ = 7130650313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7130650321.

It is not a weakly prime, because it can be changed into another prime (7130650301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565325160 + 3565325161.

It is an arithmetic number, because the mean of its divisors is an integer number (3565325161).

Almost surely, 2^7130650321 is an apocalyptic number.

It is an amenable number.

7130650321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7130650321 is an equidigital number, since it uses as much as digits as its factorization.

7130650321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 7130650321 is about 84443.1780607528. The cubic root of 7130650321 is about 1924.7590924476.

The spelling of 7130650321 in words is "seven billion, one hundred thirty million, six hundred fifty thousand, three hundred twenty-one".