6986988722072 has 16 divisors (see below), whose sum is σ = 13168482633240. Its totient is φ = 3475393353216.

The previous prime is 6986988722071. The next prime is 6986988722177. The reversal of 6986988722072 is 2702278896896.

It is a happy number.

It is a super-2 number, since 2×6986988722072² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6986988722071) 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, 2262624338 + ... + 2262627425.

Almost surely, 2^{6986988722072} is an apocalyptic number.

It is an amenable number.

6986988722072 is a deficient number, since it is larger than the sum of its proper divisors (6181493911168).

6986988722072 is a wasteful number, since it uses less digits than its factorization.

6986988722072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4525251962 (or 4525251958 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 74.

The spelling of 6986988722072 in words is "six trillion, nine hundred eighty-six billion, nine hundred eighty-eight million, seven hundred twenty-two thousand, seventy-two".