30806416679 has 2 divisors, whose sum is σ = 30806416680. Its totient is φ = 30806416678.

The previous prime is 30806416633. The next prime is 30806416681. The reversal of 30806416679 is 97661460803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30806416679 - 2¹² = 30806412583 is a prime.

It is a super-3 number, since 3×30806416679³ (a number of 32 digits) contains 333 as substring.

Together with 30806416681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30806416279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15403208339 + 15403208340.

It is an arithmetic number, because the mean of its divisors is an integer number (15403208340).

Almost surely, 2^30806416679 is an apocalyptic number.

30806416679 is a deficient number, since it is larger than the sum of its proper divisors (1).

30806416679 is an equidigital number, since it uses as much as digits as its factorization.

30806416679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 30806416679 in words is "thirty billion, eight hundred six million, four hundred sixteen thousand, six hundred seventy-nine".