213543904992 has 96 divisors (see below), whose sum is σ = 647483445504. Its totient is φ = 60903782400.

The previous prime is 213543904963. The next prime is 213543905051. The reversal of 213543904992 is 299409345312.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5929684 + ... + 5965587.

It is an arithmetic number, because the mean of its divisors is an integer number (6744619224).

Almost surely, 2^213543904992 is an apocalyptic number.

213543904992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213543904992 is an abundant number, since it is smaller than the sum of its proper divisors (433939540512).

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

213543904992 is a wasteful number, since it uses less digits than its factorization.

213543904992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11895312 (or 11895304 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 213543904992 in words is "two hundred thirteen billion, five hundred forty-three million, nine hundred four thousand, nine hundred ninety-two".