17685934342 has 12 divisors (see below), whose sum is σ = 26779186980. Its totient is φ = 8760311276.

The previous prime is 17685934339. The next prime is 17685934351. The reversal of 17685934342 is 24343958671.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 17685934342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363292 + ... + 409087.

It is an arithmetic number, because the mean of its divisors is an integer number (2231598915).

Almost surely, 2^17685934342 is an apocalyptic number.

17685934342 is a deficient number, since it is larger than the sum of its proper divisors (9093252638).

17685934342 is an equidigital number, since it uses as much as digits as its factorization.

17685934342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772595 (or 772488 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The spelling of 17685934342 in words is "seventeen billion, six hundred eighty-five million, nine hundred thirty-four thousand, three hundred forty-two".