1683666870034 has 4 divisors (see below), whose sum is σ = 2525500305054. Its totient is φ = 841833435016.

The previous prime is 1683666870031. The next prime is 1683666870047. The reversal of 1683666870034 is 4300786663861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1339350233809 + 344316636225 = 1157303^2 + 586785^2 .

It is a super-2 number, since 2×1683666870034² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1683666870031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420916717507 + ... + 420916717510.

Almost surely, 2^{1683666870034} is an apocalyptic number.

1683666870034 is a deficient number, since it is larger than the sum of its proper divisors (841833435020).

1683666870034 is an equidigital number, since it uses as much as digits as its factorization.

1683666870034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841833435019.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 1683666870034 in words is "one trillion, six hundred eighty-three billion, six hundred sixty-six million, eight hundred seventy thousand, thirty-four".