6989077442256 has 240 divisors, whose sum is σ = 23315252299776. Its totient is φ = 1763130530304.

The previous prime is 6989077442251. The next prime is 6989077442261. The reversal of 6989077442256 is 6522447709896.

It is an interprime number because it is at equal distance from previous prime (6989077442251) and next prime (6989077442261).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989077442251) 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 47 ways as a sum of consecutive naturals, for example, 1369660 + ... + 3981723.

Almost surely, 2^{6989077442256} is an apocalyptic number.

It is an amenable number.

6989077442256 is an abundant number, since it is smaller than the sum of its proper divisors (16326174857520).

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

6989077442256 is a wasteful number, since it uses less digits than its factorization.

6989077442256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351450 (or 5351431 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 69.

The spelling of 6989077442256 in words is "six trillion, nine hundred eighty-nine billion, seventy-seven million, four hundred forty-two thousand, two hundred fifty-six".