6999999999893 has 4 divisors (see below), whose sum is σ = 7053435114528. Its totient is φ = 6946564885260.

The previous prime is 6999999999857. The next prime is 6999999999911. The reversal of 6999999999893 is 3989999999996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6999999999893 - 2¹⁰ = 6999999998869 is a prime.

It is a super-2 number, since 2×6999999999893² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6999999999493) 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 3 ways as a sum of consecutive naturals, for example, 26717557121 + ... + 26717557382.

It is an arithmetic number, because the mean of its divisors is an integer number (1763358778632).

Almost surely, 2^{6999999999893} is an apocalyptic number.

It is an amenable number.

6999999999893 is a deficient number, since it is larger than the sum of its proper divisors (53435114635).

6999999999893 is a wasteful number, since it uses less digits than its factorization.

6999999999893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53435114634.

The product of its digits is 502096953744, while the sum is 107.

The spelling of 6999999999893 in words is "six trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred ninety-three".