6450286446989 has 16 divisors (see below), whose sum is σ = 8045276400000. Its totient is φ = 5024096712960.

The previous prime is 6450286446971. The next prime is 6450286447043. The reversal of 6450286446989 is 9896446820546.

It is a cyclic number.

It is not a de Polignac number, because 6450286446989 - 2²⁴ = 6450269669773 is a prime.

It is a super-2 number, since 2×6450286446989² (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 (6450286446389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17318864 + ... + 17687385.

It is an arithmetic number, because the mean of its divisors is an integer number (502829775000).

Almost surely, 2^{6450286446989} is an apocalyptic number.

It is an amenable number.

6450286446989 is a deficient number, since it is larger than the sum of its proper divisors (1594989953011).

6450286446989 is a wasteful number, since it uses less digits than its factorization.

6450286446989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35008660.

The product of its (nonzero) digits is 716636160, while the sum is 71.

The spelling of 6450286446989 in words is "six trillion, four hundred fifty billion, two hundred eighty-six million, four hundred forty-six thousand, nine hundred eighty-nine".