9407947049 has 4 divisors (see below), whose sum is σ = 9409829520. Its totient is φ = 9406064580.

The previous prime is 9407947039. The next prime is 9407947061. The reversal of 9407947049 is 9407497049.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9407497049 = 37 ⋅254256677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9407947049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9407947009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933719 + ... + 943740.

It is an arithmetic number, because the mean of its divisors is an integer number (2352457380).

Almost surely, 2^9407947049 is an apocalyptic number.

It is an amenable number.

9407947049 is a deficient number, since it is larger than the sum of its proper divisors (1882471).

9407947049 is a wasteful number, since it uses less digits than its factorization.

9407947049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882470.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 9407947049 is about 96994.5722656686. The cubic root of 9407947049 is about 2111.0488746114.

The spelling of 9407947049 in words is "nine billion, four hundred seven million, nine hundred forty-seven thousand, forty-nine".