211412654344 has 16 divisors (see below), whose sum is σ = 396724463100. Its totient is φ = 105619464192.

The previous prime is 211412654339. The next prime is 211412654419. The reversal of 211412654344 is 443456214112.

It can be written as a sum of positive squares in 2 ways, for example, as 209729193444 + 1683460900 = 457962^2 + 41030^2 .

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, 10847529 + ... + 10867000.

Almost surely, 2^211412654344 is an apocalyptic number.

It is an amenable number.

211412654344 is a deficient number, since it is larger than the sum of its proper divisors (185311808756).

211412654344 is a wasteful number, since it uses less digits than its factorization.

211412654344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21715752 (or 21715748 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

Adding to 211412654344 its reverse (443456214112), we get a palindrome (654868868456).

The spelling of 211412654344 in words is "two hundred eleven billion, four hundred twelve million, six hundred fifty-four thousand, three hundred forty-four".