8196931970 has 16 divisors (see below), whose sum is σ = 15114343608. Its totient is φ = 3198802560.

The previous prime is 8196931957. The next prime is 8196931979. The reversal of 8196931970 is 791396918.

It can be written as a sum of positive squares in 4 ways, for example, as 6627425281 + 1569506689 = 81409^2 + 39617^2 .

It is not an unprimeable number, because it can be changed into a prime (8196931979) by changing a digit.

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, 9995849 + ... + 9996668.

Almost surely, 2^8196931970 is an apocalyptic number.

8196931970 is a deficient number, since it is larger than the sum of its proper divisors (6917411638).

8196931970 is a wasteful number, since it uses less digits than its factorization.

8196931970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19992565.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 8196931970 is about 90536.9094347714. The cubic root of 8196931970 is about 2016.2781489867.

The spelling of 8196931970 in words is "eight billion, one hundred ninety-six million, nine hundred thirty-one thousand, nine hundred seventy".