6888449350657 has 12 divisors (see below), whose sum is σ = 8051070904176. Its totient is φ = 5876402280840.

The previous prime is 6888449350649. The next prime is 6888449350667. The reversal of 6888449350657 is 7560539448886.

6888449350657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6888449350657 - 2³ = 6888449350649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6888449350657.

It is not an unprimeable number, because it can be changed into a prime (6888449350667) 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, 333119043 + ... + 333139720.

It is an arithmetic number, because the mean of its divisors is an integer number (670922575348).

Almost surely, 2^{6888449350657} is an apocalyptic number.

It is an amenable number.

6888449350657 is a deficient number, since it is larger than the sum of its proper divisors (1162621553519).

6888449350657 is a wasteful number, since it uses less digits than its factorization.

6888449350657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666258988 (or 666258981 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 73.

The spelling of 6888449350657 in words is "six trillion, eight hundred eighty-eight billion, four hundred forty-nine million, three hundred fifty thousand, six hundred fifty-seven".