34217677661 has 2 divisors, whose sum is σ = 34217677662. Its totient is φ = 34217677660.

The previous prime is 34217677633. The next prime is 34217677679. The reversal of 34217677661 is 16677671243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26461528900 + 7756148761 = 162670^2 + 88069^2 .

It is a cyclic number.

It is not a de Polignac number, because 34217677661 - 2¹⁰ = 34217676637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34217677601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17108838830 + 17108838831.

It is an arithmetic number, because the mean of its divisors is an integer number (17108838831).

Almost surely, 2^34217677661 is an apocalyptic number.

It is an amenable number.

34217677661 is a deficient number, since it is larger than the sum of its proper divisors (1).

34217677661 is an equidigital number, since it uses as much as digits as its factorization.

34217677661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 50.

The spelling of 34217677661 in words is "thirty-four billion, two hundred seventeen million, six hundred seventy-seven thousand, six hundred sixty-one".