6478363345650 has 288 divisors, whose sum is σ = 19556506874880. Its totient is φ = 1412428913280.

The previous prime is 6478363345639. The next prime is 6478363345691. The reversal of 6478363345650 is 565433638746.

It is a super-2 number, since 2×6478363345650² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 60635577 + ... + 60742323.

It is an arithmetic number, because the mean of its divisors is an integer number (67904537760).

Almost surely, 2^{6478363345650} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6478363345650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9778253437440).

6478363345650 is an abundant number, since it is smaller than the sum of its proper divisors (13078143529230).

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

6478363345650 is a wasteful number, since it uses less digits than its factorization.

6478363345650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107158 (or 107146 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 60.

The spelling of 6478363345650 in words is "six trillion, four hundred seventy-eight billion, three hundred sixty-three million, three hundred forty-five thousand, six hundred fifty".