1673311983 has 16 divisors (see below), whose sum is σ = 2576098560. Its totient is φ = 946319616.

The previous prime is 1673311973. The next prime is 1673311999. The reversal of 1673311983 is 3891133761.

It is not a de Polignac number, because 1673311983 - 2¹² = 1673307887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673311973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408693 + ... + 412766.

It is an arithmetic number, because the mean of its divisors is an integer number (161006160).

Almost surely, 2^1673311983 is an apocalyptic number.

1673311983 is a deficient number, since it is larger than the sum of its proper divisors (902786577).

1673311983 is an equidigital number, since it uses as much as digits as its factorization.

1673311983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821566.

The product of its digits is 81648, while the sum is 42.

The square root of 1673311983 is about 40906.1362511787. The cubic root of 1673311983 is about 1187.2047905587.

The spelling of 1673311983 in words is "one billion, six hundred seventy-three million, three hundred eleven thousand, nine hundred eighty-three".