6985845550 has 24 divisors (see below), whose sum is σ = 13050934776. Its totient is φ = 2782023840.

The previous prime is 6985845533. The next prime is 6985845553. The reversal of 6985845550 is 555485896.

It is a junction number, because it is equal to n+sod(n) for n = 6985845491 and 6985845500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985845553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 296397 + ... + 319096.

It is an arithmetic number, because the mean of its divisors is an integer number (543788949).

Almost surely, 2^6985845550 is an apocalyptic number.

6985845550 is a deficient number, since it is larger than the sum of its proper divisors (6065089226).

6985845550 is a wasteful number, since it uses less digits than its factorization.

6985845550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615732 (or 615727 counting only the distinct ones).

The product of its (nonzero) digits is 8640000, while the sum is 55.

The square root of 6985845550 is about 83581.3708310650. The cubic root of 6985845550 is about 1911.6409561322.

The spelling of 6985845550 in words is "six billion, nine hundred eighty-five million, eight hundred forty-five thousand, five hundred fifty".