8159249654 has 16 divisors (see below), whose sum is σ = 12960483408. Its totient is φ = 3839150592.

The previous prime is 8159249599. The next prime is 8159249663. The reversal of 8159249654 is 4569429518.

It is a junction number, because it is equal to n+sod(n) for n = 8159249596 and 8159249605.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 493262 + ... + 509534.

It is an arithmetic number, because the mean of its divisors is an integer number (810030213).

Almost surely, 2^8159249654 is an apocalyptic number.

8159249654 is a deficient number, since it is larger than the sum of its proper divisors (4801233754).

8159249654 is a wasteful number, since it uses less digits than its factorization.

8159249654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31039.

The product of its digits is 3110400, while the sum is 53.

The square root of 8159249654 is about 90328.5649946904. The cubic root of 8159249654 is about 2013.1837084604.

The spelling of 8159249654 in words is "eight billion, one hundred fifty-nine million, two hundred forty-nine thousand, six hundred fifty-four".