213443210351064 has 32 divisors (see below), whose sum is σ = 533939665518000. Its totient is φ = 71103518164992.

The previous prime is 213443210351053. The next prime is 213443210351131. The reversal of 213443210351064 is 460153012344312.

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, 2763624249 + ... + 2763701480.

Almost surely, 2^{213443210351064} is an apocalyptic number.

213443210351064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213443210351064 is an abundant number, since it is smaller than the sum of its proper divisors (320496455166936).

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

213443210351064 is a wasteful number, since it uses less digits than its factorization.

213443210351064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527327347 (or 5527327343 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 213443210351064 its reverse (460153012344312), we get a palindrome (673596222695376).

The spelling of 213443210351064 in words is "two hundred thirteen trillion, four hundred forty-three billion, two hundred ten million, three hundred fifty-one thousand, sixty-four".