211534734898 has 16 divisors (see below), whose sum is σ = 325488369024. Its totient is φ = 103045710240.

The previous prime is 211534734893. The next prime is 211534734941. The reversal of 211534734898 is 898437435112.

It is not an unprimeable number, because it can be changed into a prime (211534734893) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1714590 + ... + 1833817.

It is an arithmetic number, because the mean of its divisors is an integer number (20343023064).

Almost surely, 2^211534734898 is an apocalyptic number.

211534734898 is a deficient number, since it is larger than the sum of its proper divisors (113953634126).

211534734898 is a wasteful number, since it uses less digits than its factorization.

211534734898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549177.

The product of its digits is 5806080, while the sum is 55.

The spelling of 211534734898 in words is "two hundred eleven billion, five hundred thirty-four million, seven hundred thirty-four thousand, eight hundred ninety-eight".