6811973532 has 144 divisors (see below), whose sum is σ = 22124581920. Its totient is φ = 1796546304.

The previous prime is 6811973513. The next prime is 6811973551. The reversal of 6811973532 is 2353791186.

It is an interprime number because it is at equal distance from previous prime (6811973513) and next prime (6811973551).

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 47 ways as a sum of consecutive naturals, for example, 19288 + ... + 118304.

It is an arithmetic number, because the mean of its divisors is an integer number (153642930).

Almost surely, 2^6811973532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6811973532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11062290960).

6811973532 is an abundant number, since it is smaller than the sum of its proper divisors (15312608388).

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

6811973532 is a wasteful number, since it uses less digits than its factorization.

6811973532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99057 (or 99042 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 6811973532 is about 82534.6807832925. The cubic root of 6811973532 is about 1895.6477975012.

The spelling of 6811973532 in words is "six billion, eight hundred eleven million, nine hundred seventy-three thousand, five hundred thirty-two".