213554006274 has 96 divisors (see below), whose sum is σ = 502649908992. Its totient is φ = 60305700000.

The previous prime is 213554006243. The next prime is 213554006293. The reversal of 213554006274 is 472600455312.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

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, 9655969 + ... + 9678059.

It is an arithmetic number, because the mean of its divisors is an integer number (5235936552).

Almost surely, 2^213554006274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213554006274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251324954496).

213554006274 is an abundant number, since it is smaller than the sum of its proper divisors (289095902718).

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

213554006274 is a wasteful number, since it uses less digits than its factorization.

213554006274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22492 (or 22485 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 213554006274 in words is "two hundred thirteen billion, five hundred fifty-four million, six thousand, two hundred seventy-four".