34789697821667 has 2 divisors, whose sum is σ = 34789697821668. Its totient is φ = 34789697821666.

The previous prime is 34789697821583. The next prime is 34789697821729. The reversal of 34789697821667 is 76612879698743.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34789697821667 - 2¹² = 34789697817571 is a prime.

It is not a weakly prime, because it can be changed into another prime (34789697821367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17394848910833 + 17394848910834.

It is an arithmetic number, because the mean of its divisors is an integer number (17394848910834).

Almost surely, 2^{34789697821667} is an apocalyptic number.

34789697821667 is a deficient number, since it is larger than the sum of its proper divisors (1).

34789697821667 is an equidigital number, since it uses as much as digits as its factorization.

34789697821667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9217732608, while the sum is 83.

The spelling of 34789697821667 in words is "thirty-four trillion, seven hundred eighty-nine billion, six hundred ninety-seven million, eight hundred twenty-one thousand, six hundred sixty-seven".