8641729054 has 16 divisors (see below), whose sum is σ = 14861730528. Its totient is φ = 3691763712.

The previous prime is 8641729021. The next prime is 8641729069. The reversal of 8641729054 is 4509271468.

It is a junction number, because it is equal to n+sod(n) for n = 8641728995 and 8641729013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981667 + ... + 990430.

It is an arithmetic number, because the mean of its divisors is an integer number (928858158).

Almost surely, 2^8641729054 is an apocalyptic number.

8641729054 is a deficient number, since it is larger than the sum of its proper divisors (6220001474).

8641729054 is a wasteful number, since it uses less digits than its factorization.

8641729054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972419.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 8641729054 is about 92960.9006733476. The cubic root of 8641729054 is about 2052.1080083983.

The spelling of 8641729054 in words is "eight billion, six hundred forty-one million, seven hundred twenty-nine thousand, fifty-four".