30173027369 has 2 divisors, whose sum is σ = 30173027370. Its totient is φ = 30173027368.

The previous prime is 30173027363. The next prime is 30173027393. The reversal of 30173027369 is 96372037103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25659874969 + 4513152400 = 160187^2 + 67180^2 .

It is a cyclic number.

It is not a de Polignac number, because 30173027369 - 2¹² = 30173023273 is a prime.

It is a super-2 number, since 2×30173027369² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30173027363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15086513684 + 15086513685.

It is an arithmetic number, because the mean of its divisors is an integer number (15086513685).

Almost surely, 2^30173027369 is an apocalyptic number.

It is an amenable number.

30173027369 is a deficient number, since it is larger than the sum of its proper divisors (1).

30173027369 is an equidigital number, since it uses as much as digits as its factorization.

30173027369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 41.

The spelling of 30173027369 in words is "thirty billion, one hundred seventy-three million, twenty-seven thousand, three hundred sixty-nine".