9491039434 has 4 divisors (see below), whose sum is σ = 14236559154. Its totient is φ = 4745519716.

The previous prime is 9491039419. The next prime is 9491039461. The reversal of 9491039434 is 4349301949.

It is a happy number.

9491039434 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, and also an emirpimes, since its reverse is a distinct semiprime: 4349301949 = 48091 ⋅90439.

It can be written as a sum of positive squares in only one way, i.e., 7760729025 + 1730310409 = 88095^2 + 41597^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2372759857 + ... + 2372759860.

Almost surely, 2^9491039434 is an apocalyptic number.

9491039434 is a deficient number, since it is larger than the sum of its proper divisors (4745519720).

9491039434 is a wasteful number, since it uses less digits than its factorization.

9491039434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4745519719.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 9491039434 is about 97421.9658701260. The cubic root of 9491039434 is about 2117.2456988566.

The spelling of 9491039434 in words is "nine billion, four hundred ninety-one million, thirty-nine thousand, four hundred thirty-four".