30794379457 has 2 divisors, whose sum is σ = 30794379458. Its totient is φ = 30794379456.

The previous prime is 30794379373. The next prime is 30794379481. The reversal of 30794379457 is 75497349703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20480758321 + 10313621136 = 143111^2 + 101556^2 .

It is a cyclic number.

It is not a de Polignac number, because 30794379457 - 2¹¹ = 30794377409 is a prime.

It is a super-2 number, since 2×30794379457² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30794379857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15397189728 + 15397189729.

It is an arithmetic number, because the mean of its divisors is an integer number (15397189729).

Almost surely, 2^30794379457 is an apocalyptic number.

It is an amenable number.

30794379457 is a deficient number, since it is larger than the sum of its proper divisors (1).

30794379457 is an equidigital number, since it uses as much as digits as its factorization.

30794379457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20003760, while the sum is 58.

The spelling of 30794379457 in words is "thirty billion, seven hundred ninety-four million, three hundred seventy-nine thousand, four hundred fifty-seven".