308934213677 has 2 divisors, whose sum is σ = 308934213678. Its totient is φ = 308934213676.

The previous prime is 308934213649. The next prime is 308934213689. The reversal of 308934213677 is 776312439803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207740877796 + 101193335881 = 455786^2 + 318109^2 .

It is a cyclic number.

It is not a de Polignac number, because 308934213677 - 2⁸ = 308934213421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (308934213977) 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, 154467106838 + 154467106839.

It is an arithmetic number, because the mean of its divisors is an integer number (154467106839).

Almost surely, 2^308934213677 is an apocalyptic number.

It is an amenable number.

308934213677 is a deficient number, since it is larger than the sum of its proper divisors (1).

308934213677 is an equidigital number, since it uses as much as digits as its factorization.

308934213677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 308934213677 in words is "three hundred eight billion, nine hundred thirty-four million, two hundred thirteen thousand, six hundred seventy-seven".