34456665391 has 2 divisors, whose sum is σ = 34456665392. Its totient is φ = 34456665390.

The previous prime is 34456665379. The next prime is 34456665413. The reversal of 34456665391 is 19356665443.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34456665391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34456665361) 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, 17228332695 + 17228332696.

It is an arithmetic number, because the mean of its divisors is an integer number (17228332696).

Almost surely, 2^34456665391 is an apocalyptic number.

34456665391 is a deficient number, since it is larger than the sum of its proper divisors (1).

34456665391 is an equidigital number, since it uses as much as digits as its factorization.

34456665391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 52.

Adding to 34456665391 its sum of digits (52), we get a palindrome (34456665443).

The spelling of 34456665391 in words is "thirty-four billion, four hundred fifty-six million, six hundred sixty-five thousand, three hundred ninety-one".