30420444097 has 2 divisors, whose sum is σ = 30420444098. Its totient is φ = 30420444096.

The previous prime is 30420444071. The next prime is 30420444143. The reversal of 30420444097 is 79044402403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30359229121 + 61214976 = 174239^2 + 7824^2 .

It is an emirp because it is prime and its reverse (79044402403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30420444097 - 2¹¹ = 30420442049 is a prime.

It is not a weakly prime, because it can be changed into another prime (30420444007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210222048 + 15210222049.

It is an arithmetic number, because the mean of its divisors is an integer number (15210222049).

Almost surely, 2^30420444097 is an apocalyptic number.

It is an amenable number.

30420444097 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420444097 is an equidigital number, since it uses as much as digits as its factorization.

30420444097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 30420444097 in words is "thirty billion, four hundred twenty million, four hundred forty-four thousand, ninety-seven".