30694668677 has 2 divisors, whose sum is σ = 30694668678. Its totient is φ = 30694668676.

The previous prime is 30694668673. The next prime is 30694668691. The reversal of 30694668677 is 77686649603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17184325921 + 13510342756 = 131089^2 + 116234^2 .

It is an emirp because it is prime and its reverse (77686649603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30694668677 - 2² = 30694668673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30694668671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15347334338 + 15347334339.

It is an arithmetic number, because the mean of its divisors is an integer number (15347334339).

Almost surely, 2^30694668677 is an apocalyptic number.

It is an amenable number.

30694668677 is a deficient number, since it is larger than the sum of its proper divisors (1).

30694668677 is an equidigital number, since it uses as much as digits as its factorization.

30694668677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 30694668677 in words is "thirty billion, six hundred ninety-four million, six hundred sixty-eight thousand, six hundred seventy-seven".