348490689361 has 2 divisors, whose sum is σ = 348490689362. Its totient is φ = 348490689360.

The previous prime is 348490689329. The next prime is 348490689377. The reversal of 348490689361 is 163986094843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301366962961 + 47123726400 = 548969^2 + 217080^2 .

It is a cyclic number.

It is not a de Polignac number, because 348490689361 - 2⁵ = 348490689329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348490689361.

It is not a weakly prime, because it can be changed into another prime (348490689311) 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, 174245344680 + 174245344681.

It is an arithmetic number, because the mean of its divisors is an integer number (174245344681).

Almost surely, 2^348490689361 is an apocalyptic number.

It is an amenable number.

348490689361 is a deficient number, since it is larger than the sum of its proper divisors (1).

348490689361 is an equidigital number, since it uses as much as digits as its factorization.

348490689361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 348490689361 in words is "three hundred forty-eight billion, four hundred ninety million, six hundred eighty-nine thousand, three hundred sixty-one".