213631627244 has 24 divisors (see below), whose sum is σ = 441996471840. Its totient is φ = 88399293696.

The previous prime is 213631627243. The next prime is 213631627247. The reversal of 213631627244 is 442726136312.

It is not an unprimeable number, because it can be changed into a prime (213631627243) 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, 131545757 + ... + 131547380.

It is an arithmetic number, because the mean of its divisors is an integer number (18416519660).

Almost surely, 2^213631627244 is an apocalyptic number.

It is an amenable number.

213631627244 is an abundant number, since it is smaller than the sum of its proper divisors (228364844596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213631627244 is a wasteful number, since it uses less digits than its factorization.

213631627244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263093177 (or 263093175 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The spelling of 213631627244 in words is "two hundred thirteen billion, six hundred thirty-one million, six hundred twenty-seven thousand, two hundred forty-four".