8457919694 has 32 divisors (see below), whose sum is σ = 14813011200. Its totient is φ = 3620458296.

The previous prime is 8457919667. The next prime is 8457919699. The reversal of 8457919694 is 4969197548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8457919699) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 598757 + ... + 612719.

It is an arithmetic number, because the mean of its divisors is an integer number (462906600).

Almost surely, 2^8457919694 is an apocalyptic number.

8457919694 is a deficient number, since it is larger than the sum of its proper divisors (6355091506).

8457919694 is a wasteful number, since it uses less digits than its factorization.

8457919694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14869 (or 14855 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 62.

The square root of 8457919694 is about 91966.9489218817. The cubic root of 8457919694 is about 2037.4541879571.

The spelling of 8457919694 in words is "eight billion, four hundred fifty-seven million, nine hundred nineteen thousand, six hundred ninety-four".