6394773330 has 96 divisors (see below), whose sum is σ = 18393568128. Its totient is φ = 1528396800.

The previous prime is 6394773317. The next prime is 6394773349. The reversal of 6394773330 is 333774936.

6394773330 is a `hidden beast` number, since 639 + 4 + 7 + 7 + 3 + 3 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24802 + ... + 115778.

It is an arithmetic number, because the mean of its divisors is an integer number (191599668).

Almost surely, 2^6394773330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6394773330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9196784064).

6394773330 is an abundant number, since it is smaller than the sum of its proper divisors (11998794798).

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

6394773330 is a wasteful number, since it uses less digits than its factorization.

6394773330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91072 (or 91069 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 45.

The square root of 6394773330 is about 79967.3266403223. The cubic root of 6394773330 is about 1856.1299780235.

The spelling of 6394773330 in words is "six billion, three hundred ninety-four million, seven hundred seventy-three thousand, three hundred thirty".