6966540576399 has 8 divisors (see below), whose sum is σ = 9288950513920. Its totient is φ = 4644245511576.

The previous prime is 6966540576337. The next prime is 6966540576409. The reversal of 6966540576399 is 9936750456696.

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

It is not a de Polignac number, because 6966540576399 - 2²⁰ = 6966539527823 is a prime.

It is a super-2 number, since 2×6966540576399² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6966540576399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6966540576329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28576567 + ... + 28819320.

It is an arithmetic number, because the mean of its divisors is an integer number (1161118814240).

Almost surely, 2^{6966540576399} is an apocalyptic number.

6966540576399 is a deficient number, since it is larger than the sum of its proper divisors (2322409937521).

6966540576399 is a wasteful number, since it uses less digits than its factorization.

6966540576399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57436349.

The product of its (nonzero) digits is 1984046400, while the sum is 75.

The spelling of 6966540576399 in words is "six trillion, nine hundred sixty-six billion, five hundred forty million, five hundred seventy-six thousand, three hundred ninety-nine".