7114890721 has 2 divisors, whose sum is σ = 7114890722. Its totient is φ = 7114890720.

The previous prime is 7114890709. The next prime is 7114890749. The reversal of 7114890721 is 1270984117.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5589207121 + 1525683600 = 74761^2 + 39060^2 .

It is a cyclic number.

It is not a de Polignac number, because 7114890721 - 2⁷ = 7114890593 is a prime.

It is not a weakly prime, because it can be changed into another prime (7114890781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557445360 + 3557445361.

It is an arithmetic number, because the mean of its divisors is an integer number (3557445361).

Almost surely, 2^7114890721 is an apocalyptic number.

It is an amenable number.

7114890721 is a deficient number, since it is larger than the sum of its proper divisors (1).

7114890721 is an equidigital number, since it uses as much as digits as its factorization.

7114890721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 7114890721 is about 84349.8116239746. The cubic root of 7114890721 is about 1923.3400630296.

The spelling of 7114890721 in words is "seven billion, one hundred fourteen million, eight hundred ninety thousand, seven hundred twenty-one".