30429163217 has 2 divisors, whose sum is σ = 30429163218. Its totient is φ = 30429163216.

The previous prime is 30429163159. The next prime is 30429163249. The reversal of 30429163217 is 71236192403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29119374736 + 1309788481 = 170644^2 + 36191^2 .

It is a cyclic number.

It is not a de Polignac number, because 30429163217 - 2²⁰ = 30428114641 is a prime.

It is not a weakly prime, because it can be changed into another prime (30429163417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15214581608 + 15214581609.

It is an arithmetic number, because the mean of its divisors is an integer number (15214581609).

Almost surely, 2^30429163217 is an apocalyptic number.

It is an amenable number.

30429163217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30429163217 is an equidigital number, since it uses as much as digits as its factorization.

30429163217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 30429163217 in words is "thirty billion, four hundred twenty-nine million, one hundred sixty-three thousand, two hundred seventeen".