213254541450 has 96 divisors (see below), whose sum is σ = 587841840000. Its totient is φ = 56847836160.

The previous prime is 213254541421. The next prime is 213254541553. The reversal of 213254541450 is 54145452312.

213254541450 is a `hidden beast` number, since 2 + 1 + 32 + 545 + 41 + 45 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 4022314 + ... + 4074986.

It is an arithmetic number, because the mean of its divisors is an integer number (6123352500).

Almost surely, 2^213254541450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213254541450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293920920000).

213254541450 is an abundant number, since it is smaller than the sum of its proper divisors (374587298550).

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

213254541450 is a wasteful number, since it uses less digits than its factorization.

213254541450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55693 (or 55682 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 213254541450 its reverse (54145452312), we get a palindrome (267399993762).

The spelling of 213254541450 in words is "two hundred thirteen billion, two hundred fifty-four million, five hundred forty-one thousand, four hundred fifty".