9541063649 has 8 divisors (see below), whose sum is σ = 10276601832. Its totient is φ = 8805755520.

The previous prime is 9541063627. The next prime is 9541063699. The reversal of 9541063649 is 9463601459.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 761373649 + 8779690000 = 27593^2 + 93700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9541063649 - 2²⁴ = 9524286433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9541063699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34037 + ... + 142269.

It is an arithmetic number, because the mean of its divisors is an integer number (1284575229).

Almost surely, 2^9541063649 is an apocalyptic number.

It is an amenable number.

9541063649 is a deficient number, since it is larger than the sum of its proper divisors (735538183).

9541063649 is a wasteful number, since it uses less digits than its factorization.

9541063649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115027.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 9541063649 is about 97678.3683780600. The cubic root of 9541063649 is about 2120.9589562923.

The spelling of 9541063649 in words is "nine billion, five hundred forty-one million, sixty-three thousand, six hundred forty-nine".