991468714 has 4 divisors (see below), whose sum is σ = 1487203074. Its totient is φ = 495734356.

The previous prime is 991468703. The next prime is 991468717. The reversal of 991468714 is 417864199.

991468714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 664763089 + 326705625 = 25783^2 + 18075^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (991468717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247867177 + ... + 247867180.

Almost surely, 2^991468714 is an apocalyptic number.

991468714 is a deficient number, since it is larger than the sum of its proper divisors (495734360).

991468714 is a wasteful number, since it uses less digits than its factorization.

991468714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495734359.

The product of its digits is 435456, while the sum is 49.

The square root of 991468714 is about 31487.5961927868. The cubic root of 991468714 is about 997.1481124692.

The spelling of 991468714 in words is "nine hundred ninety-one million, four hundred sixty-eight thousand, seven hundred fourteen".