9630528507655 has 16 divisors (see below), whose sum is σ = 12875476414464. Its totient is φ = 6854999013280.

The previous prime is 9630528507653. The next prime is 9630528507671. The reversal of 9630528507655 is 5567058250369.

It is a happy number.

It is not a de Polignac number, because 9630528507655 - 2¹ = 9630528507653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9630528507593 and 9630528507602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9630528507653) 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, 1862768887 + ... + 1862774056.

It is an arithmetic number, because the mean of its divisors is an integer number (804717275904).

Almost surely, 2^{9630528507655} is an apocalyptic number.

9630528507655 is a deficient number, since it is larger than the sum of its proper divisors (3244947906809).

9630528507655 is a wasteful number, since it uses less digits than its factorization.

9630528507655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725543006.

The product of its (nonzero) digits is 68040000, while the sum is 61.

The spelling of 9630528507655 in words is "nine trillion, six hundred thirty billion, five hundred twenty-eight million, five hundred seven thousand, six hundred fifty-five".