211404042399 has 8 divisors (see below), whose sum is σ = 307496788992. Its totient is φ = 128123662040.

The previous prime is 211404042373. The next prime is 211404042427. The reversal of 211404042399 is 993240404112.

211404042399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 211404042399 - 2¹² = 211404038303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211404040399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203091519 + ... + 3203091584.

It is an arithmetic number, because the mean of its divisors is an integer number (38437098624).

Almost surely, 2^211404042399 is an apocalyptic number.

211404042399 is a deficient number, since it is larger than the sum of its proper divisors (96092746593).

211404042399 is a wasteful number, since it uses less digits than its factorization.

211404042399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406183117.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 211404042399 in words is "two hundred eleven billion, four hundred four million, forty-two thousand, three hundred ninety-nine".