308079233249 has 2 divisors, whose sum is σ = 308079233250. Its totient is φ = 308079233248.

The previous prime is 308079233171. The next prime is 308079233299. The reversal of 308079233249 is 942332970803.

It is a happy number.

It is an a-pointer prime, because the next prime (308079233299) can be obtained adding 308079233249 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227845838224 + 80233395025 = 477332^2 + 283255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-308079233249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 308079233197 and 308079233206.

It is not a weakly prime, because it can be changed into another prime (308079233299) 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, 154039616624 + 154039616625.

It is an arithmetic number, because the mean of its divisors is an integer number (154039616625).

Almost surely, 2^308079233249 is an apocalyptic number.

It is an amenable number.

308079233249 is a deficient number, since it is larger than the sum of its proper divisors (1).

308079233249 is an equidigital number, since it uses as much as digits as its factorization.

308079233249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 308079233249 in words is "three hundred eight billion, seventy-nine million, two hundred thirty-three thousand, two hundred forty-nine".