213105010446 has 48 divisors (see below), whose sum is σ = 463752656640. Its totient is φ = 70723674000.

The previous prime is 213105010441. The next prime is 213105010457. The reversal of 213105010446 is 644010501312.

It is a happy number.

213105010446 is a `hidden beast` number, since 213 + 1 + 0 + 5 + 0 + 1 + 0 + 446 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213105010441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13378875 + ... + 13394793.

It is an arithmetic number, because the mean of its divisors is an integer number (9661513680).

Almost surely, 2^213105010446 is an apocalyptic number.

213105010446 is an abundant number, since it is smaller than the sum of its proper divisors (250647646194).

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

213105010446 is a wasteful number, since it uses less digits than its factorization.

213105010446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19141 (or 19138 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 213105010446 its reverse (644010501312), we get a palindrome (857115511758).

The spelling of 213105010446 in words is "two hundred thirteen billion, one hundred five million, ten thousand, four hundred forty-six".