30504210017 has 2 divisors, whose sum is σ = 30504210018. Its totient is φ = 30504210016.

The previous prime is 30504210013. The next prime is 30504210053. The reversal of 30504210017 is 71001240503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30443619361 + 60590656 = 174481^2 + 7784^2 .

It is a cyclic number.

It is not a de Polignac number, because 30504210017 - 2² = 30504210013 is a prime.

It is a super-2 number, since 2×30504210017² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30504209974 and 30504210001.

It is not a weakly prime, because it can be changed into another prime (30504210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15252105008 + 15252105009.

It is an arithmetic number, because the mean of its divisors is an integer number (15252105009).

Almost surely, 2^30504210017 is an apocalyptic number.

It is an amenable number.

30504210017 is a deficient number, since it is larger than the sum of its proper divisors (1).

30504210017 is an equidigital number, since it uses as much as digits as its factorization.

30504210017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The spelling of 30504210017 in words is "thirty billion, five hundred four million, two hundred ten thousand, seventeen".