7228721429299 has 2 divisors, whose sum is σ = 7228721429300. Its totient is φ = 7228721429298.

The previous prime is 7228721429291. The next prime is 7228721429417. The reversal of 7228721429299 is 9929241278227.

7228721429299 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7228721429299 - 2³ = 7228721429291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7228721429299.

It is not a weakly prime, because it can be changed into another prime (7228721429291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3614360714649 + 3614360714650.

It is an arithmetic number, because the mean of its divisors is an integer number (3614360714650).

Almost surely, 2^{7228721429299} is an apocalyptic number.

7228721429299 is a deficient number, since it is larger than the sum of its proper divisors (1).

7228721429299 is an equidigital number, since it uses as much as digits as its factorization.

7228721429299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The spelling of 7228721429299 in words is "seven trillion, two hundred twenty-eight billion, seven hundred twenty-one million, four hundred twenty-nine thousand, two hundred ninety-nine".