6750520959897 has 160 divisors (see below), whose sum is σ = 11947673041920. Its totient is φ = 3744583188480.

The previous prime is 6750520959883. The next prime is 6750520959989. The reversal of 6750520959897 is 7989590250576.

6750520959897 is a `hidden beast` number, since 6 + 7 + 5 + 0 + 5 + 20 + 9 + 598 + 9 + 7 = 666.

It is not a de Polignac number, because 6750520959897 - 2⁴ = 6750520959881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6750520959817) 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 159 ways as a sum of consecutive naturals, for example, 663828229 + ... + 663838397.

It is an arithmetic number, because the mean of its divisors is an integer number (74672956512).

Almost surely, 2^{6750520959897} is an apocalyptic number.

It is an amenable number.

6750520959897 is a deficient number, since it is larger than the sum of its proper divisors (5197152082023).

6750520959897 is a wasteful number, since it uses less digits than its factorization.

6750520959897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10685 (or 10676 counting only the distinct ones).

The product of its (nonzero) digits is 428652000, while the sum is 72.

The spelling of 6750520959897 in words is "six trillion, seven hundred fifty billion, five hundred twenty million, nine hundred fifty-nine thousand, eight hundred ninety-seven".