213437339448 has 16 divisors (see below), whose sum is σ = 533593348680. Its totient is φ = 71145779808.

The previous prime is 213437339441. The next prime is 213437339551. The reversal of 213437339448 is 844933734312.

It is a self number, because there is not a number n which added to its sum of digits gives 213437339448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213437339441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4446611215 + ... + 4446611262.

Almost surely, 2^213437339448 is an apocalyptic number.

It is an amenable number.

213437339448 is an abundant number, since it is smaller than the sum of its proper divisors (320156009232).

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

213437339448 is a wasteful number, since it uses less digits than its factorization.

213437339448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893222486 (or 8893222482 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 51.

The spelling of 213437339448 in words is "two hundred thirteen billion, four hundred thirty-seven million, three hundred thirty-nine thousand, four hundred forty-eight".