321368892349 has 2 divisors, whose sum is σ = 321368892350. Its totient is φ = 321368892348.

The previous prime is 321368892331. The next prime is 321368892373. The reversal of 321368892349 is 943298863123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184973107225 + 136395785124 = 430085^2 + 369318^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321368892349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321368892293 and 321368892302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321368892379) 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, 160684446174 + 160684446175.

It is an arithmetic number, because the mean of its divisors is an integer number (160684446175).

Almost surely, 2^321368892349 is an apocalyptic number.

It is an amenable number.

321368892349 is a deficient number, since it is larger than the sum of its proper divisors (1).

321368892349 is an equidigital number, since it uses as much as digits as its factorization.

321368892349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 58.

The spelling of 321368892349 in words is "three hundred twenty-one billion, three hundred sixty-eight million, eight hundred ninety-two thousand, three hundred forty-nine".