213441001406 has 8 divisors (see below), whose sum is σ = 320196379080. Its totient is φ = 106708875048.

The previous prime is 213441001387. The next prime is 213441001453. The reversal of 213441001406 is 604100144312.

It is a happy number.

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

It is a super-2 number, since 2×213441001406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5789861 + ... + 5826608.

It is an arithmetic number, because the mean of its divisors is an integer number (40024547385).

Almost surely, 2^213441001406 is an apocalyptic number.

213441001406 is a deficient number, since it is larger than the sum of its proper divisors (106755377674).

213441001406 is a wasteful number, since it uses less digits than its factorization.

213441001406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11625658.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 213441001406 its reverse (604100144312), we get a palindrome (817541145718).

The spelling of 213441001406 in words is "two hundred thirteen billion, four hundred forty-one million, one thousand, four hundred six".