1684375486634 has 16 divisors (see below), whose sum is σ = 2532353689800. Its totient is φ = 840257832960.

The previous prime is 1684375486579. The next prime is 1684375486649. The reversal of 1684375486634 is 4366845734861.

It can be written as a sum of positive squares in 4 ways, for example, as 1464334749409 + 220040737225 = 1210097^2 + 469085^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16339814 + ... + 16442574.

Almost surely, 2^{1684375486634} is an apocalyptic number.

1684375486634 is a deficient number, since it is larger than the sum of its proper divisors (847978203166).

1684375486634 is a wasteful number, since it uses less digits than its factorization.

1684375486634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121465.

The product of its digits is 278691840, while the sum is 65.

The spelling of 1684375486634 in words is "one trillion, six hundred eighty-four billion, three hundred seventy-five million, four hundred eighty-six thousand, six hundred thirty-four".