211734430483926 has 64 divisors (see below), whose sum is σ = 495222344736768. Its totient is φ = 59088326780448.

The previous prime is 211734430483897. The next prime is 211734430483931. The reversal of 211734430483926 is 629384034437112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510361491 + ... + 510776193.

It is an arithmetic number, because the mean of its divisors is an integer number (7737849136512).

Almost surely, 2^{211734430483926} is an apocalyptic number.

211734430483926 is an abundant number, since it is smaller than the sum of its proper divisors (283487914252842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211734430483926 is a wasteful number, since it uses less digits than its factorization.

211734430483926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697465.

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 211734430483926 in words is "two hundred eleven trillion, seven hundred thirty-four billion, four hundred thirty million, four hundred eighty-three thousand, nine hundred twenty-six".