213553401632 has 48 divisors (see below), whose sum is σ = 430827012000. Its totient is φ = 104138703360.

The previous prime is 213553401613. The next prime is 213553401641. The reversal of 213553401632 is 236104355312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213553401592 and 213553401601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4303619 + ... + 4352957.

It is an arithmetic number, because the mean of its divisors is an integer number (8975562750).

Almost surely, 2^213553401632 is an apocalyptic number.

It is an amenable number.

213553401632 is an abundant number, since it is smaller than the sum of its proper divisors (217273610368).

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

213553401632 is a wasteful number, since it uses less digits than its factorization.

213553401632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52689 (or 52681 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 213553401632 its reverse (236104355312), we get a palindrome (449657756944).

The spelling of 213553401632 in words is "two hundred thirteen billion, five hundred fifty-three million, four hundred one thousand, six hundred thirty-two".