213344546550 has 48 divisors (see below), whose sum is σ = 552098592000. Its totient is φ = 54418318240.

The previous prime is 213344546539. The next prime is 213344546561. The reversal of 213344546550 is 55645443312.

It is an interprime number because it is at equal distance from previous prime (213344546539) and next prime (213344546561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30916050 + ... + 30922949.

It is an arithmetic number, because the mean of its divisors is an integer number (11502054000).

Almost surely, 2^213344546550 is an apocalyptic number.

213344546550 is an abundant number, since it is smaller than the sum of its proper divisors (338754045450).

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

213344546550 is a wasteful number, since it uses less digits than its factorization.

213344546550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61839037 (or 61839032 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

Adding to 213344546550 its reverse (55645443312), we get a palindrome (268989989862).

The spelling of 213344546550 in words is "two hundred thirteen billion, three hundred forty-four million, five hundred forty-six thousand, five hundred fifty".