211834983920703 has 256 divisors, whose sum is σ = 355527567360000. Its totient is φ = 110290210467840.

The previous prime is 211834983920663. The next prime is 211834983920719. The reversal of 211834983920703 is 307029389438112.

It is a happy number.

It is a Cunningham number, because it is equal to 14554552²-1.

It is not a de Polignac number, because 211834983920703 - 2¹² = 211834983916607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211834983920303) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 43328895883 + ... + 43328900771.

It is an arithmetic number, because the mean of its divisors is an integer number (1388779560000).

Almost surely, 2^{211834983920703} is an apocalyptic number.

211834983920703 is a deficient number, since it is larger than the sum of its proper divisors (143692583439297).

211834983920703 is a wasteful number, since it uses less digits than its factorization.

211834983920703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5470.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 211834983920703 in words is "two hundred eleven trillion, eight hundred thirty-four billion, nine hundred eighty-three million, nine hundred twenty thousand, seven hundred three".