213989836955 has 16 divisors (see below), whose sum is σ = 265656434400. Its totient is φ = 165280066560.

The previous prime is 213989836913. The next prime is 213989836961. The reversal of 213989836955 is 559638989312.

213989836955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 213989836955 - 2¹⁶ = 213989771419 is a prime.

It is a super-3 number, since 3×213989836955³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5103275 + ... + 5145035.

It is an arithmetic number, because the mean of its divisors is an integer number (16603527150).

Almost surely, 2^213989836955 is an apocalyptic number.

213989836955 is a deficient number, since it is larger than the sum of its proper divisors (51666597445).

213989836955 is a wasteful number, since it uses less digits than its factorization.

213989836955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77134.

The product of its digits is 125971200, while the sum is 68.

The spelling of 213989836955 in words is "two hundred thirteen billion, nine hundred eighty-nine million, eight hundred thirty-six thousand, nine hundred fifty-five".