1994712568 has 32 divisors (see below), whose sum is σ = 4072698000. Its totient is φ = 912280320.

The previous prime is 1994712563. The next prime is 1994712593. The reversal of 1994712568 is 8652174991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994712563) 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 7 ways as a sum of consecutive naturals, for example, 221853 + ... + 230668.

Almost surely, 2^1994712568 is an apocalyptic number.

It is an amenable number.

1994712568 is an abundant number, since it is smaller than the sum of its proper divisors (2077985432).

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

1994712568 is a wasteful number, since it uses less digits than its factorization.

1994712568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452575 (or 452571 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 1994712568 is about 44662.2051403645. The cubic root of 1994712568 is about 1258.8097788777.

The spelling of 1994712568 in words is "one billion, nine hundred ninety-four million, seven hundred twelve thousand, five hundred sixty-eight".