9453711649 has 4 divisors (see below), whose sum is σ = 9951275440. Its totient is φ = 8956147860.

The previous prime is 9453711623. The next prime is 9453711719. The reversal of 9453711649 is 9461173549.

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.

It is a cyclic number.

It is not a de Polignac number, because 9453711649 - 2²⁷ = 9319493921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9453711149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248781867 + ... + 248781904.

It is an arithmetic number, because the mean of its divisors is an integer number (2487818860).

Almost surely, 2^9453711649 is an apocalyptic number.

It is an amenable number.

9453711649 is a deficient number, since it is larger than the sum of its proper divisors (497563791).

9453711649 is a wasteful number, since it uses less digits than its factorization.

9453711649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497563790.

The product of its digits is 816480, while the sum is 49.

The square root of 9453711649 is about 97230.1992644261. The cubic root of 9453711649 is about 2114.4663780903.

The spelling of 9453711649 in words is "nine billion, four hundred fifty-three million, seven hundred eleven thousand, six hundred forty-nine".