30399060173 has 2 divisors, whose sum is σ = 30399060174. Its totient is φ = 30399060172.

The previous prime is 30399060157. The next prime is 30399060193. The reversal of 30399060173 is 37106099303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28170936964 + 2228123209 = 167842^2 + 47203^2 .

It is a cyclic number.

It is not a de Polignac number, because 30399060173 - 2⁴ = 30399060157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30399060173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30399060143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15199530086 + 15199530087.

It is an arithmetic number, because the mean of its divisors is an integer number (15199530087).

Almost surely, 2^30399060173 is an apocalyptic number.

It is an amenable number.

30399060173 is a deficient number, since it is larger than the sum of its proper divisors (1).

30399060173 is an equidigital number, since it uses as much as digits as its factorization.

30399060173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 41.

The spelling of 30399060173 in words is "thirty billion, three hundred ninety-nine million, sixty thousand, one hundred seventy-three".