8729819506494 has 48 divisors (see below), whose sum is σ = 19158921662400. Its totient is φ = 2872372059648.

The previous prime is 8729819506403. The next prime is 8729819506501. The reversal of 8729819506494 is 4946059189278.

8729819506494 is a `hidden beast` number, since 8 + 7 + 2 + 9 + 81 + 9 + 50 + 6 + 494 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4805782 + ... + 6368294.

It is an arithmetic number, because the mean of its divisors is an integer number (399144201300).

Almost surely, 2^{8729819506494} is an apocalyptic number.

8729819506494 is an abundant number, since it is smaller than the sum of its proper divisors (10429102155906).

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

8729819506494 is a wasteful number, since it uses less digits than its factorization.

8729819506494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566529 (or 1566526 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 8729819506494 in words is "eight trillion, seven hundred twenty-nine billion, eight hundred nineteen million, five hundred six thousand, four hundred ninety-four".