1683500858349 has 4 divisors (see below), whose sum is σ = 2244667811136. Its totient is φ = 1122333905564.

The previous prime is 1683500858341. The next prime is 1683500858359. The reversal of 1683500858349 is 9438580053861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1683500858349 - 2³ = 1683500858341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1683500858292 and 1683500858301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683500858341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280583476389 + ... + 280583476394.

It is an arithmetic number, because the mean of its divisors is an integer number (561166952784).

Almost surely, 2^{1683500858349} is an apocalyptic number.

It is an amenable number.

1683500858349 is a deficient number, since it is larger than the sum of its proper divisors (561166952787).

1683500858349 is an equidigital number, since it uses as much as digits as its factorization.

1683500858349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561166952786.

The product of its (nonzero) digits is 24883200, while the sum is 60.

The spelling of 1683500858349 in words is "one trillion, six hundred eighty-three billion, five hundred million, eight hundred fifty-eight thousand, three hundred forty-nine".