213739619017 has 16 divisors (see below), whose sum is σ = 217196562240. Its totient is φ = 210307680000.

The previous prime is 213739618993. The next prime is 213739619033. The reversal of 213739619017 is 710916937312.

It is a cyclic number.

It is not a de Polignac number, because 213739619017 - 2⁷ = 213739618889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213739619077) 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, 29506198 + ... + 29513440.

It is an arithmetic number, because the mean of its divisors is an integer number (13574785140).

Almost surely, 2^213739619017 is an apocalyptic number.

It is an amenable number.

213739619017 is a deficient number, since it is larger than the sum of its proper divisors (3456943223).

213739619017 is a wasteful number, since it uses less digits than its factorization.

213739619017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904.

The product of its (nonzero) digits is 428652, while the sum is 49.

The spelling of 213739619017 in words is "two hundred thirteen billion, seven hundred thirty-nine million, six hundred nineteen thousand, seventeen".