6900064843806 has 20 divisors (see below), whose sum is σ = 15461256409632. Its totient is φ = 2300021614548.

The previous prime is 6900064843783. The next prime is 6900064843829. The reversal of 6900064843806 is 6083484600096.

It is an interprime number because it is at equal distance from previous prime (6900064843783) and next prime (6900064843829).

It is a super-2 number, since 2×6900064843806² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 21296496270 + ... + 21296496593.

Almost surely, 2^{6900064843806} is an apocalyptic number.

6900064843806 is an abundant number, since it is smaller than the sum of its proper divisors (8561191565826).

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

6900064843806 is a wasteful number, since it uses less digits than its factorization.

6900064843806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42592992877 (or 42592992868 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 6900064843806 in words is "six trillion, nine hundred billion, sixty-four million, eight hundred forty-three thousand, eight hundred six".