213851444975996 has 24 divisors (see below), whose sum is σ = 376694621123184. Its totient is φ = 106226482194560.

The previous prime is 213851444975969. The next prime is 213851444976007. The reversal of 213851444975996 is 699579444158312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258564935 + ... + 259390686.

It is an arithmetic number, because the mean of its divisors is an integer number (15695609213466).

Almost surely, 2^{213851444975996} is an apocalyptic number.

It is an amenable number.

213851444975996 is a deficient number, since it is larger than the sum of its proper divisors (162843176147188).

213851444975996 is a wasteful number, since it uses less digits than its factorization.

213851444975996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517956301 (or 517956299 counting only the distinct ones).

The product of its digits is 2351462400, while the sum is 77.

The spelling of 213851444975996 in words is "two hundred thirteen trillion, eight hundred fifty-one billion, four hundred forty-four million, nine hundred seventy-five thousand, nine hundred ninety-six".