6811211954 has 16 divisors (see below), whose sum is σ = 10484080992. Its totient is φ = 3316967808.

The previous prime is 6811211951. The next prime is 6811211963. The reversal of 6811211954 is 4591121186.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6811211951) 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, 81824 + ... + 142539.

It is an arithmetic number, because the mean of its divisors is an integer number (655255062).

Almost surely, 2^6811211954 is an apocalyptic number.

6811211954 is a deficient number, since it is larger than the sum of its proper divisors (3672869038).

6811211954 is a wasteful number, since it uses less digits than its factorization.

6811211954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224761.

The product of its digits is 17280, while the sum is 38.

The square root of 6811211954 is about 82530.0669695596. The cubic root of 6811211954 is about 1895.5771504533.

The spelling of 6811211954 in words is "six billion, eight hundred eleven million, two hundred eleven thousand, nine hundred fifty-four".