6474779850 has 384 divisors, whose sum is σ = 20898662400. Its totient is φ = 1287705600.

The previous prime is 6474779849. The next prime is 6474779873. The reversal of 6474779850 is 589774746.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 46581081 + ... + 46581219.

It is an arithmetic number, because the mean of its divisors is an integer number (54423600).

Almost surely, 2^6474779850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6474779850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10449331200).

6474779850 is an abundant number, since it is smaller than the sum of its proper divisors (14423882550).

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

6474779850 is a wasteful number, since it uses less digits than its factorization.

6474779850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The square root of 6474779850 is about 80466.0167399878. The cubic root of 6474779850 is about 1863.8387450146.

The spelling of 6474779850 in words is "six billion, four hundred seventy-four million, seven hundred seventy-nine thousand, eight hundred fifty".