1684948111274 has 16 divisors (see below), whose sum is σ = 2528397647016. Its totient is φ = 842148964800.

The previous prime is 1684948111219. The next prime is 1684948111303. The reversal of 1684948111274 is 4721118494861.

It can be written as a sum of positive squares in 4 ways, for example, as 1416683160025 + 268264951249 = 1190245^2 + 517943^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79992704 + ... + 80013764.

Almost surely, 2^{1684948111274} is an apocalyptic number.

1684948111274 is a deficient number, since it is larger than the sum of its proper divisors (843449535742).

1684948111274 is a wasteful number, since it uses less digits than its factorization.

1684948111274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34601.

The product of its digits is 3096576, while the sum is 56.

The spelling of 1684948111274 in words is "one trillion, six hundred eighty-four billion, nine hundred forty-eight million, one hundred eleven thousand, two hundred seventy-four".