30664220297 has 2 divisors, whose sum is σ = 30664220298. Its totient is φ = 30664220296.

The previous prime is 30664220291. The next prime is 30664220309. The reversal of 30664220297 is 79202246603.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29709348496 + 954871801 = 172364^2 + 30901^2 .

It is an emirp because it is prime and its reverse (79202246603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30664220297 - 2¹⁶ = 30664154761 is a prime.

It is not a weakly prime, because it can be changed into another prime (30664220291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15332110148 + 15332110149.

It is an arithmetic number, because the mean of its divisors is an integer number (15332110149).

Almost surely, 2^30664220297 is an apocalyptic number.

It is an amenable number.

30664220297 is a deficient number, since it is larger than the sum of its proper divisors (1).

30664220297 is an equidigital number, since it uses as much as digits as its factorization.

30664220297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 30664220297 in words is "thirty billion, six hundred sixty-four million, two hundred twenty thousand, two hundred ninety-seven".