213612351441 has 8 divisors (see below), whose sum is σ = 299806809120. Its totient is φ = 134913064032.

The previous prime is 213612351427. The next prime is 213612351461. The reversal of 213612351441 is 144153216312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213612351441 - 2¹³ = 213612343249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213612351401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873792500 + ... + 1873792613.

It is an arithmetic number, because the mean of its divisors is an integer number (37475851140).

Almost surely, 2^213612351441 is an apocalyptic number.

It is an amenable number.

213612351441 is a deficient number, since it is larger than the sum of its proper divisors (86194457679).

213612351441 is a wasteful number, since it uses less digits than its factorization.

213612351441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747585135.

The product of its digits is 17280, while the sum is 33.

Adding to 213612351441 its reverse (144153216312), we get a palindrome (357765567753).

The spelling of 213612351441 in words is "two hundred thirteen billion, six hundred twelve million, three hundred fifty-one thousand, four hundred forty-one".