9650011561 has 8 divisors (see below), whose sum is σ = 9779753984. Its totient is φ = 9521109360.

The previous prime is 9650011559. The next prime is 9650011573. The reversal of 9650011561 is 1651100569.

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 9650011561 - 2¹ = 9650011559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9650011961) 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, 186915 + ... + 232888.

It is an arithmetic number, because the mean of its divisors is an integer number (1222469248).

Almost surely, 2^9650011561 is an apocalyptic number.

It is an amenable number.

9650011561 is a deficient number, since it is larger than the sum of its proper divisors (129742423).

9650011561 is a wasteful number, since it uses less digits than its factorization.

9650011561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420111.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 9650011561 is about 98234.4723658655. The cubic root of 9650011561 is about 2129.0013878581.

The spelling of 9650011561 in words is "nine billion, six hundred fifty million, eleven thousand, five hundred sixty-one".