30385021169 has 2 divisors, whose sum is σ = 30385021170. Its totient is φ = 30385021168.

The previous prime is 30385021097. The next prime is 30385021201. The reversal of 30385021169 is 96112058303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22888058944 + 7496962225 = 151288^2 + 86585^2 .

It is a cyclic number.

It is not a de Polignac number, because 30385021169 - 2¹⁶ = 30384955633 is a prime.

It is a super-2 number, since 2×30385021169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30385021669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15192510584 + 15192510585.

It is an arithmetic number, because the mean of its divisors is an integer number (15192510585).

Almost surely, 2^30385021169 is an apocalyptic number.

It is an amenable number.

30385021169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30385021169 is an equidigital number, since it uses as much as digits as its factorization.

30385021169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 30385021169 in words is "thirty billion, three hundred eighty-five million, twenty-one thousand, one hundred sixty-nine".