6900068965518 has 16 divisors (see below), whose sum is σ = 15333486590160. Its totient is φ = 2300022988488.

The previous prime is 6900068965513. The next prime is 6900068965571. The reversal of 6900068965518 is 8155698600096.

It is a super-2 number, since 2×6900068965518² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900068965511) 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, 63889527405 + ... + 63889527512.

It is an arithmetic number, because the mean of its divisors is an integer number (958342911885).

Almost surely, 2^{6900068965518} is an apocalyptic number.

6900068965518 is an abundant number, since it is smaller than the sum of its proper divisors (8433417624642).

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

6900068965518 is a wasteful number, since it uses less digits than its factorization.

6900068965518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127779054928 (or 127779054922 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 63.

The spelling of 6900068965518 in words is "six trillion, nine hundred billion, sixty-eight million, nine hundred sixty-five thousand, five hundred eighteen".