1983670013 has 8 divisors (see below), whose sum is σ = 2163302400. Its totient is φ = 1807900848.

The previous prime is 1983669979. The next prime is 1983670021. The reversal of 1983670013 is 3100763891.

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

It is not a de Polignac number, because 1983670013 - 2⁶ = 1983669949 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 (1983670033) 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, 964733 + ... + 966786.

It is an arithmetic number, because the mean of its divisors is an integer number (270412800).

Almost surely, 2^1983670013 is an apocalyptic number.

1983670013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1983670013 is a deficient number, since it is larger than the sum of its proper divisors (179632387).

1983670013 is a wasteful number, since it uses less digits than its factorization.

1983670013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931611.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 1983670013 is about 44538.4105351774. The cubic root of 1983670013 is about 1256.4825921223.

The spelling of 1983670013 in words is "one billion, nine hundred eighty-three million, six hundred seventy thousand, thirteen".