9009515649 has 8 divisors (see below), whose sum is σ = 12075581952. Its totient is φ = 5974896560.

The previous prime is 9009515639. The next prime is 9009515701. The reversal of 9009515649 is 9465159009.

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 9009515649 - 2²⁵ = 8975961217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9009515598 and 9009515607.

It is not an unprimeable number, because it can be changed into a prime (9009515639) 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, 7861134 + ... + 7862279.

It is an arithmetic number, because the mean of its divisors is an integer number (1509447744).

Almost surely, 2^9009515649 is an apocalyptic number.

It is an amenable number.

9009515649 is a deficient number, since it is larger than the sum of its proper divisors (3066066303).

9009515649 is a wasteful number, since it uses less digits than its factorization.

9009515649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15723607.

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 9009515649 is about 94918.4684294895. The cubic root of 9009515649 is about 2080.8166517870.

The spelling of 9009515649 in words is "nine billion, nine million, five hundred fifteen thousand, six hundred forty-nine".