1984915013 has 8 divisors (see below), whose sum is σ = 2008908000. Its totient is φ = 1961056240.

The previous prime is 1984915007. The next prime is 1984915033. The reversal of 1984915013 is 3105194891.

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 1984915013 - 2¹⁸ = 1984652869 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 (1984915003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3638 + ... + 63111.

It is an arithmetic number, because the mean of its divisors is an integer number (251113500).

Almost surely, 2^1984915013 is an apocalyptic number.

It is an amenable number.

1984915013 is a deficient number, since it is larger than the sum of its proper divisors (23992987).

1984915013 is a wasteful number, since it uses less digits than its factorization.

1984915013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67107.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 1984915013 is about 44552.3850427786. The cubic root of 1984915013 is about 1256.7454035883.

The spelling of 1984915013 in words is "one billion, nine hundred eighty-four million, nine hundred fifteen thousand, thirteen".