1683536850203 has 4 divisors (see below), whose sum is σ = 1813039684848. Its totient is φ = 1554034015560.

The previous prime is 1683536850197. The next prime is 1683536850223. The reversal of 1683536850203 is 3020586353861.

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

It is not a de Polignac number, because 1683536850203 - 2⁸ = 1683536849947 is a prime.

It is a super-2 number, since 2×1683536850203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1683536850223) 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, 64751417303 + ... + 64751417328.

It is an arithmetic number, because the mean of its divisors is an integer number (453259921212).

Almost surely, 2^{1683536850203} is an apocalyptic number.

1683536850203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1683536850203 is a deficient number, since it is larger than the sum of its proper divisors (129502834645).

1683536850203 is a wasteful number, since it uses less digits than its factorization.

1683536850203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129502834644.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 1683536850203 in words is "one trillion, six hundred eighty-three billion, five hundred thirty-six million, eight hundred fifty thousand, two hundred three".