8143873970 has 16 divisors (see below), whose sum is σ = 15521266008. Its totient is φ = 3065928960.

The previous prime is 8143873951. The next prime is 8143874009. The reversal of 8143873970 is 793783418.

It can be written as a sum of positive squares in 4 ways, for example, as 8107741849 + 36132121 = 90043^2 + 6011^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23952401 + ... + 23952740.

Almost surely, 2^8143873970 is an apocalyptic number.

8143873970 is a deficient number, since it is larger than the sum of its proper divisors (7377392038).

8143873970 is a wasteful number, since it uses less digits than its factorization.

8143873970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47905165.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 8143873970 is about 90243.4151060342. The cubic root of 8143873970 is about 2011.9183330882.

The spelling of 8143873970 in words is "eight billion, one hundred forty-three million, eight hundred seventy-three thousand, nine hundred seventy".