9628656011 has 16 divisors (see below), whose sum is σ = 10942407840. Its totient is φ = 8399116800.

The previous prime is 9628656001. The next prime is 9628656077. The reversal of 9628656011 is 1106568269.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9628656011 is a prime.

It is a super-2 number, since 2×9628656011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9628656001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50441 + ... + 147653.

It is an arithmetic number, because the mean of its divisors is an integer number (683900490).

Almost surely, 2^9628656011 is an apocalyptic number.

9628656011 is a deficient number, since it is larger than the sum of its proper divisors (1313751829).

9628656011 is a wasteful number, since it uses less digits than its factorization.

9628656011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97646.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 9628656011 is about 98125.7153400677. The cubic root of 9628656011 is about 2127.4297290933.

The spelling of 9628656011 in words is "nine billion, six hundred twenty-eight million, six hundred fifty-six thousand, eleven".