6971131284099 has 8 divisors (see below), whose sum is σ = 9294855793680. Its totient is φ = 4647413815296.

The previous prime is 6971131284067. The next prime is 6971131284101. The reversal of 6971131284099 is 9904821311796.

It is a Cunningham number, because it is equal to 2640290²-1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6971131284099 - 2⁵ = 6971131284067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6971130284099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320147 + ... + 3960435.

It is an arithmetic number, because the mean of its divisors is an integer number (1161856974210).

Almost surely, 2^{6971131284099} is an apocalyptic number.

6971131284099 is a deficient number, since it is larger than the sum of its proper divisors (2323724509581).

6971131284099 is a wasteful number, since it uses less digits than its factorization.

6971131284099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520389.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 6971131284099 in words is "six trillion, nine hundred seventy-one billion, one hundred thirty-one million, two hundred eighty-four thousand, ninety-nine".