30017730473 has 2 divisors, whose sum is σ = 30017730474. Its totient is φ = 30017730472.

The previous prime is 30017730419. The next prime is 30017730493. The reversal of 30017730473 is 37403771003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29189039104 + 828691369 = 170848^2 + 28787^2 .

It is a cyclic number.

It is not a de Polignac number, because 30017730473 - 2²² = 30013536169 is a prime.

It is not a weakly prime, because it can be changed into another prime (30017730493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15008865236 + 15008865237.

It is an arithmetic number, because the mean of its divisors is an integer number (15008865237).

Almost surely, 2^30017730473 is an apocalyptic number.

It is an amenable number.

30017730473 is a deficient number, since it is larger than the sum of its proper divisors (1).

30017730473 is an equidigital number, since it uses as much as digits as its factorization.

30017730473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 35.

The spelling of 30017730473 in words is "thirty billion, seventeen million, seven hundred thirty thousand, four hundred seventy-three".