94217749506 has 64 divisors (see below), whose sum is σ = 218027462400. Its totient is φ = 30122064000.

The previous prime is 94217749487. The next prime is 94217749541. The reversal of 94217749506 is 60594771249.

94217749506 is a `hidden beast` number, since 9 + 4 + 21 + 77 + 49 + 506 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37246 + ... + 435686.

It is an arithmetic number, because the mean of its divisors is an integer number (3406679100).

Almost surely, 2^94217749506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94217749506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109013731200).

94217749506 is an abundant number, since it is smaller than the sum of its proper divisors (123809712894).

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

94217749506 is a wasteful number, since it uses less digits than its factorization.

94217749506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398632 (or 398626 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 94217749506 in words is "ninety-four billion, two hundred seventeen million, seven hundred forty-nine thousand, five hundred six".