211621346054 has 8 divisors (see below), whose sum is σ = 327671761728. Its totient is φ = 102397425480.

The previous prime is 211621346033. The next prime is 211621346071. The reversal of 211621346054 is 450643126112.

211621346054 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 a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1706623697 + ... + 1706623820.

It is an arithmetic number, because the mean of its divisors is an integer number (40958970216).

Almost surely, 2^211621346054 is an apocalyptic number.

211621346054 is a deficient number, since it is larger than the sum of its proper divisors (116050415674).

211621346054 is a wasteful number, since it uses less digits than its factorization.

211621346054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413247550.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 211621346054 in words is "two hundred eleven billion, six hundred twenty-one million, three hundred forty-six thousand, fifty-four".