5197698894 has 8 divisors (see below), whose sum is σ = 10395397800. Its totient is φ = 1732566296.

The previous prime is 5197698893. The next prime is 5197698937. The reversal of 5197698894 is 4988967915.

It is a sphenic number, since it is the product of 3 distinct primes.

5197698894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197698893) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 433141569 + ... + 433141580.

It is an arithmetic number, because the mean of its divisors is an integer number (1299424725).

Almost surely, 2^5197698894 is an apocalyptic number.

5197698894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5197698894 is a wasteful number, since it uses less digits than its factorization.

5197698894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866283154.

The product of its digits is 39191040, while the sum is 66.

The square root of 5197698894 is about 72095.0684443811. The cubic root of 5197698894 is about 1732.2226206688. Note that the first 3 decimals are identical.

The spelling of 5197698894 in words is "five billion, one hundred ninety-seven million, six hundred ninety-eight thousand, eight hundred ninety-four".