1983312853 has 8 divisors (see below), whose sum is σ = 2093721120. Its totient is φ = 1873506960.

The previous prime is 1983312827. The next prime is 1983312889. The reversal of 1983312853 is 3582133891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1983312853 - 2⁹ = 1983312341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983310853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143818 + ... + 157003.

It is an arithmetic number, because the mean of its divisors is an integer number (261715140).

Almost surely, 2^1983312853 is an apocalyptic number.

It is an amenable number.

1983312853 is a deficient number, since it is larger than the sum of its proper divisors (110408267).

1983312853 is a wasteful number, since it uses less digits than its factorization.

1983312853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301187.

The product of its digits is 155520, while the sum is 43.

The square root of 1983312853 is about 44534.4007818675. The cubic root of 1983312853 is about 1256.4071776539.

The spelling of 1983312853 in words is "one billion, nine hundred eighty-three million, three hundred twelve thousand, eight hundred fifty-three".